WEBVTT - From the Vault: The Ninja, Part 3

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<v Speaker 1>Hello, and welcome to Stuff to Blow Your Mind. It's Saturday,

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<v Speaker 1>so we are heading into the vault for an older

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<v Speaker 1>episode of the podcast. This is part three of the

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<v Speaker 1>series that Rob and I did on the Ninja. This

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<v Speaker 1>originally published August first, twenty twenty four.

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<v Speaker 2>Welcome to Stuff to Blow Your Mind, production of iHeartRadio.

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<v Speaker 3>Hey, welcome to Stuff to Blow Your Mind. My name

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<v Speaker 3>is Robert.

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<v Speaker 1>Lamb and I'm Joe McCormick, and we're back with part

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<v Speaker 1>three in our series on Ninja. Now, if you haven't

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<v Speaker 1>heard the first two parts of this series, this is

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<v Speaker 1>a case where you really should go back and listen

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<v Speaker 1>to those before you listen to today's episode, because we

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<v Speaker 1>lay a lot of groundwork, especially about the tricky historical

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<v Speaker 1>questions about the sort of act curacy of a lot

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<v Speaker 1>of the received knowledge about the Ninja. And so if

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<v Speaker 1>you are wondering about like how the Ninja fit into

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<v Speaker 1>real history versus pop culture and then sort of subsequent

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<v Speaker 1>lore and legend, we talk more about that in the

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<v Speaker 1>previous episodes. Today we're going to be focusing more on

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<v Speaker 1>just some of the great bits of texture and the

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<v Speaker 1>anecdotes from that historical law and legend. The stories of

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<v Speaker 1>individual ninjas, the stories of the stories of tools and

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<v Speaker 1>techniques and equipment and so forth.

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<v Speaker 3>Yeah, I mean, you basically can think of it this way.

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<v Speaker 3>The ninja existed, true statement, the ninja are a myth

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<v Speaker 3>and never existed true statement depends on how you tease

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<v Speaker 3>it apart, you know. And likewise a lot of this too,

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<v Speaker 3>Like we'll get into specific examples of ninja tools or weapons,

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<v Speaker 3>and you can say this never existed, and then you

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<v Speaker 3>can also say, but I can buy one at the

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<v Speaker 3>mall today, and so it's like, well it exists now, right,

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<v Speaker 3>So it gets complicated.

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<v Speaker 1>This is a great time, I think to discuss some

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<v Speaker 1>of the various ninjutsu manuals that were published beginning in

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<v Speaker 1>the Edo period beginning under the Tokugawa Shogunate, that are

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<v Speaker 1>the source of a lot of the ninja lore that

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<v Speaker 1>we have today. So you can think about sort of

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<v Speaker 1>like multiple stages of development of the ninja lore over

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<v Speaker 1>the centuries. This is going way back. It's questionable whether

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<v Speaker 1>some of the things reported in these manuals were actually

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<v Speaker 1>used in the earlier periods. But these, you know, seventeenth

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<v Speaker 1>eighteenth century texts have lots of great stuff in them

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<v Speaker 1>that I think later gets picked up by authors, say

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<v Speaker 1>in the twentieth century, and reprocessed and turned into the

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<v Speaker 1>pop culture idea of the ninja. So there are multiple

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<v Speaker 1>ninjitsu manuals, and I'm just going to list some common

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<v Speaker 1>characteristics of them. So they will teach techniques of espionage, stealth,

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<v Speaker 1>and intelligence gathering, including everything from how to infiltrate a

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<v Speaker 1>building using different kinds of ladders to how to gag

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<v Speaker 1>a prisoner. So they're full of descriptions of techniques. They

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<v Speaker 1>pass along practical knowledge about real subjects, such as pharmacology,

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<v Speaker 1>like using herbs to achieve an effect in the body,

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<v Speaker 1>and how to use gunpowders. So there is some amount

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<v Speaker 1>of chemistry knowledge, at least as it was understood in

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<v Speaker 1>the seventeenth century. In some of these books, they describe

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<v Speaker 1>and illustrate tools and equipment such as caltrops. You know,

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<v Speaker 1>these spiked spiked objects that would be used. You know,

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<v Speaker 1>you'd throw them on the ground to slow the advance

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<v Speaker 1>of an enemy or to deny them access to an area.

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<v Speaker 3>Yeah, makabishi, I believe is the term for these. And

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<v Speaker 3>these are interesting on their own terms because if you've

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<v Speaker 3>played Dungeons and Dragons. You may have used these, you know,

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<v Speaker 3>these are pretty common way to slow down an enemy,

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<v Speaker 3>but a pair when you get into the history of

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<v Speaker 3>their use in Shinobi activities, like some examples of them

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<v Speaker 3>may have been essentially organic or found items, like essentially

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<v Speaker 3>like throwing nuts or you know, or today's version would

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<v Speaker 3>be like spreading legos all over the floor. That's not

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<v Speaker 3>quite like a nature fact or a found item, but

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<v Speaker 3>you know, you get the idea, and then you could

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<v Speaker 3>progress from there into potentially like metal objects that are

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<v Speaker 3>spiked and so forth. And speaking of those ladders, yes,

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<v Speaker 3>ladders are absolutely a tool of the ninja. And if

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<v Speaker 3>you are in the Dungeons and Dragons campaign and you're

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<v Speaker 3>playing a rogue, go ahead and equip that ladder, bring

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<v Speaker 3>that ladder with you, and dare your dungeon master to

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<v Speaker 3>make you roll a dexterity check whilst climbing it. Ladders

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<v Speaker 3>are great. Trust the ninja on this.

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<v Speaker 1>My current rogue has a real affinity for climbing. He's

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<v Speaker 1>got the I don't know his level three or level

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<v Speaker 1>four or wherever it is. You get to pick one

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<v Speaker 1>of the feats, and he's got second story work where

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<v Speaker 1>you know, you can climb at the same rate you

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<v Speaker 1>can you can run.

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<v Speaker 3>That's great. Yeah, but I feel like we've been kind

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<v Speaker 3>of it's like a modern Ninja batmanification of our understanding

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<v Speaker 3>of what rogues should have because Batman never carried a ladder,

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<v Speaker 3>but he probably should have carried a ladder. I think

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<v Speaker 3>that would be great.

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<v Speaker 1>The bat ladder, I mean, the rope ladder will get

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<v Speaker 1>you a lot of places. I guess Batman doesn't need

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<v Speaker 1>a ladder because he has the unrealistic the batclaw thing

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<v Speaker 1>that you can just shoot and will zip him up anywhere.

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<v Speaker 3>Absolute trust in the masonry the building that he's interacting with. Yeah.

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<v Speaker 1>But anyway, all the stuff I've mentioned so far, that's

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<v Speaker 1>the stuff you would imagine a ninjitsu manual to include, right,

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<v Speaker 1>you know, techniques about stealth tools. You could use, knowledge

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<v Speaker 1>about pharmacology and gunpowder and things like that, but there

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<v Speaker 1>are also things you might expect less. These manuals often

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<v Speaker 1>emphasize spiritual and philosophical elements of the Shinobi lifestyle, like

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<v Speaker 1>some during the Edo period promote Confucianism with a strong

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<v Speaker 1>emphasis on loyalty, which of course was favored by the

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<v Speaker 1>Tokugawa shoguns. They sometimes also include moral discourses that serve

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<v Speaker 1>as justification for shnobi activities, like it's okay to use

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<v Speaker 1>lies and deception and trickery because they will help you win.

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<v Speaker 1>They're what you have to do to win, and what's

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<v Speaker 1>ultimately right is to be loyal to your masters and

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<v Speaker 1>to help win in the conflict. And so so you know,

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<v Speaker 1>you got to deliver that intelligence. It doesn't matter if

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<v Speaker 1>you have to lie to do it. They sometimes also

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<v Speaker 1>include more esoteric guidance, like the use of astrology or divination.

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<v Speaker 1>They are often falsely attributed to a great hero or

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<v Speaker 1>legend from history. They do not depict shnobi in black

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<v Speaker 1>costumes and masks. They are not generally concerned with assassination,

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<v Speaker 1>nor do they usually describe hand to hand combat or

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<v Speaker 1>sword fighting techniques, as would come to be the calling

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<v Speaker 1>card of ninja in later movies. Once again, they are

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<v Speaker 1>most often concerned with intelligence gathering, cycle, logical warfare, and sabotage.

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<v Speaker 1>And to this point, one of the manuals I'll mention

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<v Speaker 1>in a minute actually specifies that your shnobi your spies

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<v Speaker 1>should be selected based on intelligence and not physical strength

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<v Speaker 1>because these people were not primarily thought of as fighters,

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<v Speaker 1>but as tricksters and observers, gatherers of information.

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<v Speaker 3>Yeah. I mean, when you think about it, like your shnobi,

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<v Speaker 3>are they going to be able to throw down with

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<v Speaker 3>the samurai of an arms samurai, like you know, one

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<v Speaker 3>to one in some sort of a battle. I think

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<v Speaker 3>there's a strong case to be made. No, the trickery

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<v Speaker 3>if that, if that's sort of violent encounter were to occur,

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<v Speaker 3>the trickery is going to make the difference, not the

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<v Speaker 3>martial arts.

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<v Speaker 1>I'm guessing that's right. As we talked about in the

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<v Speaker 1>last episode, the idea of shnobi as instigators of daring

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<v Speaker 1>individual violence and hand to hand combat, that is more

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<v Speaker 1>of the later movie ninja thing. The earlier emphasis is

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<v Speaker 1>though there all there are lots of sort of shinobi

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<v Speaker 1>warfare activities in shinobi attacks, sneak attacks by night. Most

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<v Speaker 1>of the time, these manuals and early ideas of shinobi

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<v Speaker 1>are more focused on spying. For just one example of

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<v Speaker 1>how these older military manuals might focus more on espionage

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<v Speaker 1>strategy than on the type of combat focused ninja behavior

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<v Speaker 1>we think of today, there was a sixteenth century military

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<v Speaker 1>manual called the Kinetsushu, and this text was from earlier

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<v Speaker 1>than the major ninjutsu manual, So this is not I

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<v Speaker 1>want to be clear, this is not one of the

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<v Speaker 1>ninjutsu manuals I'm talking about. This is a general warfare

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<v Speaker 1>manual from a little bit earlier, and its focus is

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<v Speaker 1>broadly on strategy and warfare, but it contains a subsection

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<v Speaker 1>on espionage techniques, and it recommends things like the following.

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<v Speaker 1>It says, before you go on a military campaign, send

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<v Speaker 1>spies into the area that you're targeting to pose as

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<v Speaker 1>merchants and craftsmen. And these spies should make maps of

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<v Speaker 1>local topography and try to figure out the morale of locals,

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<v Speaker 1>for example by listening to whether people sing sad songs

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<v Speaker 1>or happy songs. And you can also try to split

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<v Speaker 1>loyalties within the region by doing things like have your

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<v Speaker 1>spies make donations to local temples and shrines to win

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<v Speaker 1>over the approval of the priest class.

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<v Speaker 3>And I'm guessing you had to be kind of selective

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<v Speaker 3>about how you do it, Like don't immediately set up

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<v Speaker 3>shop and be like, hey, what do you think of

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<v Speaker 3>the latest Lena Delray album? You know, like tease it

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<v Speaker 3>out a little bit. Make sure you have enough lead

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<v Speaker 3>time to really immerse yourself in the local community.

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<v Speaker 1>Exactly right. Oh, and I should say, by the way,

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<v Speaker 1>I mentioned it in the last couple of episodes, but

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<v Speaker 1>just to flag again one of my major sources here

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<v Speaker 1>also on the general facts about these ninja two manuals

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<v Speaker 1>is a book by a British historian named Stephen Turnbull

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<v Speaker 1>called Ninja Unmasking the Myth from twenty seventeen, and so

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<v Speaker 1>he highlights several important ninjitsu manuals that I wanted to

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<v Speaker 1>talk about for a moment here. These later manuals in

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<v Speaker 1>the seventeenth century onward were more directly focused on ninjitsu,

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<v Speaker 1>and they include texts such as the Gunpo Jeoshu, which

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<v Speaker 1>was published in the sixteen fifties, and the famous mansen

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<v Speaker 1>Shuki or bensen Chukai from around sixteen seventy six, the

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<v Speaker 1>latter of which has in some instances been referred to

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<v Speaker 1>as the Ninja Bible, though this is probably a misleading

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<v Speaker 1>way to characterize it. Mens In Chuki or bensen Chukai

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<v Speaker 1>the title means ten thousand rivers flowing together into an ocean,

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<v Speaker 1>and in particular this one is the source of a

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<v Speaker 1>lot of modern ninja lore. It contains details about ingenious

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<v Speaker 1>ninja gadgets and equipment. It also contains different philosophies about

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<v Speaker 1>spying and infiltration. It makes an interesting distinction between what

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<v Speaker 1>it calls yonin and enin Yonin meaning open infiltration. So

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<v Speaker 1>this would be sneaking into somewhere by wearing a disguise

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<v Speaker 1>or being accepted by the target community, so you are

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<v Speaker 1>within view, but you are disguising your intentions in some way. Meanwhile,

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<v Speaker 1>in en means invisibility or hiding, so this would be

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<v Speaker 1>infiltration by sneaking by night or hiding under floorboards.

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<v Speaker 3>And that's where we get into some of these the

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<v Speaker 3>elements of patients and endurance that we mentioned in the

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<v Speaker 3>last episode. I believe, like, if you're going to have

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<v Speaker 3>to hide under the floorboards for let's say forty eight hours,

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<v Speaker 3>you know you're going to have to use some chenobi patients.

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<v Speaker 1>That's right. And that's one reason that there may not

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<v Speaker 1>be as much difference between the idea of practicing endurance

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<v Speaker 1>or patients and practicing stealth as you might originally think,

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<v Speaker 1>like a lot of stealth is patience. In fact, you

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<v Speaker 1>could even argue that that patience is very important when

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<v Speaker 1>you are just being accepted within a target community or

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<v Speaker 1>in disguise. Right, you've got to play the part for

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<v Speaker 1>a long time to sort of make people comfortable.

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<v Speaker 3>Yeah, yeah, you got to actually run that business. Like,

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<v Speaker 3>don't offer like really deep discounts. They're going to be suspicious.

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<v Speaker 3>Don't act like you're not interested in making a profit

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<v Speaker 3>one way or the other. Yeah, become a part of

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<v Speaker 3>the community and then betray them.

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<v Speaker 1>Another interesting thing about these ninjasu manuals is the thing

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<v Speaker 1>that makes them really tempting to interpret is that sometimes

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<v Speaker 1>they might include explanations and references that seem kind of circumspect,

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<v Speaker 1>like they don't give all the details of what they're

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<v Speaker 1>talking about. And then sometimes they'll have a note like

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<v Speaker 1>additional information is only to be passed on by word

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<v Speaker 1>of mouth.

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<v Speaker 3>Oh boy, that sounds very shanobi.

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<v Speaker 1>Yeah. One random detail that I love, by the way,

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<v Speaker 1>just came across this in the book. This is about

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<v Speaker 1>the gun pogoshu. It's the claim that in the ancient past,

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<v Speaker 1>men of the regions Ega and Coca, which are places

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<v Speaker 1>in Japan that are the have long been claimed as

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<v Speaker 1>national headquarters of shinobi training. So the claim is that

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<v Speaker 1>these these ninja from IgA and Coca would travel as

0:13:09.040 --> 0:13:13.960
<v Speaker 1>secret agents, and while doing so, they would pose as yamabushi,

0:13:14.120 --> 0:13:18.920
<v Speaker 1>which means street performers such as monkey tamers. So like

0:13:19.040 --> 0:13:21.000
<v Speaker 1>the next time you see a busker playing a Goo

0:13:21.000 --> 0:13:23.079
<v Speaker 1>Goo Dolls song on the sidewalk, or you see a

0:13:23.080 --> 0:13:26.120
<v Speaker 1>guy dressed up as Superman in Times Square, you might

0:13:26.160 --> 0:13:29.439
<v Speaker 1>wonder is this a ninja? Is this person gathering intelligence?

0:13:30.640 --> 0:13:34.640
<v Speaker 1>Another interesting fact about the gun Pogoshu in particular is

0:13:34.679 --> 0:13:37.480
<v Speaker 1>that some of its espionage advice is given in the

0:13:37.520 --> 0:13:40.560
<v Speaker 1>form of a collection of poems, poems about spying.

0:13:41.240 --> 0:13:44.480
<v Speaker 3>Wow. Wow, that's fascinating that. Yeah, this goes hand in

0:13:44.520 --> 0:13:46.240
<v Speaker 3>hand with some of the things we've been talking about

0:13:46.240 --> 0:13:50.880
<v Speaker 3>about disguising yourself blending in. But I guess sometimes like

0:13:50.960 --> 0:13:54.480
<v Speaker 3>being the obnoxiously obvious person is also a way of

0:13:54.520 --> 0:13:57.960
<v Speaker 3>blending into the background, like nobody suspects the like the

0:13:58.000 --> 0:14:01.000
<v Speaker 3>Times Square Elmo of well, you suspect the Times Square

0:14:01.000 --> 0:14:04.880
<v Speaker 3>Elmo of things, but probably not espionage.

0:14:04.360 --> 0:14:17.320
<v Speaker 1>Right exactly anyway, So, with all the caveats we've previously

0:14:17.400 --> 0:14:21.320
<v Speaker 1>established about the historicity of what's in these manuals that

0:14:21.480 --> 0:14:25.280
<v Speaker 1>you know, we might regard them with some historical skepticism. Nevertheless,

0:14:25.320 --> 0:14:29.120
<v Speaker 1>they do describe a lot of fascinating alleged tricks and

0:14:29.240 --> 0:14:33.240
<v Speaker 1>tools of ninjasu. So I think we should just dive

0:14:33.320 --> 0:14:36.280
<v Speaker 1>right in and talk about some alleged ninja techniques.

0:14:36.640 --> 0:14:38.120
<v Speaker 3>Yeah, I want to pick up talking a little a

0:14:38.240 --> 0:14:42.400
<v Speaker 3>bit about the female shinobi or the kuno ichi, which

0:14:42.400 --> 0:14:44.880
<v Speaker 3>I believe we mentioned in passing in the first episode.

0:14:45.320 --> 0:14:47.640
<v Speaker 3>You know, the idea that we could have both male

0:14:47.680 --> 0:14:53.040
<v Speaker 3>and female ninja, and this does really stress the the

0:14:53.160 --> 0:14:58.720
<v Speaker 3>reality that that shinobi activities would have covered a lot

0:14:58.760 --> 0:15:03.240
<v Speaker 3>of ground that isn't just concerned with assassination or military

0:15:03.280 --> 0:15:06.880
<v Speaker 3>and military and you know, direct military adjacent combat adjacent activities,

0:15:06.880 --> 0:15:10.760
<v Speaker 3>but get into all these areas of spycraft. And there

0:15:10.800 --> 0:15:13.720
<v Speaker 3>is apparently, according to Yoda and Ault in their book

0:15:13.720 --> 0:15:16.720
<v Speaker 3>on Ninja's that I that I cited in the previous episodes,

0:15:17.080 --> 0:15:21.320
<v Speaker 3>there there's no evidence that female shanoby ever engaged in combat,

0:15:22.120 --> 0:15:25.160
<v Speaker 3>though of course there are historic examples of Japanese women

0:15:25.520 --> 0:15:28.840
<v Speaker 3>serving as warriors, such as tome Gozen of the late

0:15:28.880 --> 0:15:32.280
<v Speaker 3>twelfth century. So so again not saying there weren't female

0:15:32.320 --> 0:15:37.840
<v Speaker 3>warriors in Japanese history, and even that there weren't female

0:15:37.880 --> 0:15:40.760
<v Speaker 3>shanoby operatives who engaged in combat, but there's no evidence

0:15:40.800 --> 0:15:47.120
<v Speaker 3>of such, but there there are writings about female shanobi operatives,

0:15:47.560 --> 0:15:50.600
<v Speaker 3>and this makes sense for reasons we already stressed, like

0:15:50.680 --> 0:15:53.840
<v Speaker 3>if you were going to engage in spycraft, you you're

0:15:53.920 --> 0:15:56.360
<v Speaker 3>you're going to take advantage of whatever tools are at

0:15:56.400 --> 0:15:59.160
<v Speaker 3>your disposal, and there are going to be certain segments

0:15:59.160 --> 0:16:02.880
<v Speaker 3>of society through which females are going to be able

0:16:02.880 --> 0:16:04.920
<v Speaker 3>to travel with a little more ease or a little

0:16:05.040 --> 0:16:09.640
<v Speaker 3>less notice. There And as we mentioned last time, there

0:16:09.680 --> 0:16:14.760
<v Speaker 3>is at least one named female ninja, Mochizuki chi Yojo,

0:16:15.080 --> 0:16:18.880
<v Speaker 3>and this individual's still somewhat of a mystery. There are

0:16:18.880 --> 0:16:22.160
<v Speaker 3>some arguments that she didn't exist at all, but Yoda

0:16:22.160 --> 0:16:26.520
<v Speaker 3>and all lister existence has confirmed, so I guess there

0:16:26.640 --> 0:16:28.600
<v Speaker 3>is a certain amount of evidence on one side of

0:16:28.600 --> 0:16:31.080
<v Speaker 3>the argument to say that this person did exist in

0:16:31.080 --> 0:16:34.840
<v Speaker 3>some form. Assuming she did exist, however, she would have

0:16:34.880 --> 0:16:38.200
<v Speaker 3>been like a poet, a noble woman, and it's said

0:16:38.240 --> 0:16:41.480
<v Speaker 3>that she was affiliated with the Takata samurai clan and

0:16:41.520 --> 0:16:44.800
<v Speaker 3>to have presided over a team of the uruki miko

0:16:45.160 --> 0:16:47.320
<v Speaker 3>or walking maidens. So she would have kind of like

0:16:47.480 --> 0:16:51.360
<v Speaker 3>been a spymaster of female shanov and so on the

0:16:51.400 --> 0:16:53.920
<v Speaker 3>realistic end of things, if there's truth to any of this,

0:16:54.640 --> 0:16:57.560
<v Speaker 3>whether we were dealing with the specifics of this individual or

0:16:57.600 --> 0:17:00.880
<v Speaker 3>just the general idea that there were females spy operatives

0:17:01.560 --> 0:17:04.760
<v Speaker 3>in Japan during the Warring States period, just as there

0:17:04.800 --> 0:17:08.359
<v Speaker 3>have been female spy operatives in pretty much every culture.

0:17:08.400 --> 0:17:10.040
<v Speaker 3>I think, every culture, I think we will be a

0:17:10.080 --> 0:17:15.400
<v Speaker 3>safe assumption these would have been female operatives who could

0:17:15.440 --> 0:17:21.040
<v Speaker 3>travel around, often as Shinto holy women, as entertainers, or

0:17:21.119 --> 0:17:25.479
<v Speaker 3>perhaps prostitutes. Now on the legendary end of the spectrum, however,

0:17:25.680 --> 0:17:29.640
<v Speaker 3>female shanobi were often imbued with various powers that were

0:17:29.680 --> 0:17:32.679
<v Speaker 3>linked to female sexuality and reproduction, and a lot of

0:17:32.720 --> 0:17:36.840
<v Speaker 3>this has much in common with various witchlike belief systems

0:17:36.880 --> 0:17:39.800
<v Speaker 3>from around the world, you know, even getting into ideas

0:17:39.840 --> 0:17:43.479
<v Speaker 3>of like the monstrous feminine, you know, the other ring

0:17:43.600 --> 0:17:47.680
<v Speaker 3>of the female, and taking aspects of reproduction and sexuality

0:17:47.720 --> 0:17:51.040
<v Speaker 3>and tweaking them into the you know, the demonic realm

0:17:51.080 --> 0:17:55.200
<v Speaker 3>and so forth. But this also put me very much

0:17:55.240 --> 0:17:58.000
<v Speaker 3>in mind of the Beni Jesert from Frank Herbert's done,

0:17:58.400 --> 0:18:02.920
<v Speaker 3>as well as their later series counterparts, the Honored Matre

0:18:04.080 --> 0:18:06.320
<v Speaker 3>or kind of like a splinter of the Benijesterrit, who

0:18:06.359 --> 0:18:09.440
<v Speaker 3>are their opposition. So I wanted to run through some

0:18:09.520 --> 0:18:12.280
<v Speaker 3>of the powers and abilities attributed to them. Again, we're

0:18:12.320 --> 0:18:17.280
<v Speaker 3>dealing very much with the legendary supernatural end of the

0:18:17.440 --> 0:18:22.800
<v Speaker 3>of the ninja pop cultural world here and not historic reality,

0:18:22.880 --> 0:18:26.320
<v Speaker 3>though perhaps you know, if you read between the lines,

0:18:26.359 --> 0:18:30.439
<v Speaker 3>you can sort of see like realistic spycraft, you know,

0:18:30.520 --> 0:18:32.960
<v Speaker 3>at the heart of some of these legends. So according

0:18:32.960 --> 0:18:35.400
<v Speaker 3>to Yoda and All, there were several abilities that were

0:18:35.440 --> 0:18:38.560
<v Speaker 3>said to be linked to conception, such as the power

0:18:38.600 --> 0:18:42.040
<v Speaker 3>to remove an unborn child from the womb, change its features,

0:18:42.359 --> 0:18:46.639
<v Speaker 3>and then return it to the womb. Also the transfer

0:18:46.680 --> 0:18:50.040
<v Speaker 3>of an unborn child from one woman to another, and

0:18:50.160 --> 0:18:53.159
<v Speaker 3>the ability for female shinobi to choose to have a

0:18:53.200 --> 0:18:56.359
<v Speaker 3>baby with any partner they've slept with over the last

0:18:56.400 --> 0:18:59.959
<v Speaker 3>ten months. This last one I found pretty interesting because

0:19:00.160 --> 0:19:05.160
<v Speaker 3>some organisms actually do engage in female sperm storage, a

0:19:05.200 --> 0:19:08.040
<v Speaker 3>form of sexual selection by which sperm cells are retained

0:19:08.040 --> 0:19:11.040
<v Speaker 3>by the receiving female for a period, sometimes a prolong

0:19:11.119 --> 0:19:15.040
<v Speaker 3>period of time before using said sperm. Human beings do

0:19:15.119 --> 0:19:19.480
<v Speaker 3>not do this, but you do find some organisms that do.

0:19:19.680 --> 0:19:21.160
<v Speaker 1>I recall reading about sharks.

0:19:21.400 --> 0:19:27.240
<v Speaker 3>Yes, yes, sharks are a great example. And yeah, sometimes

0:19:27.240 --> 0:19:31.960
<v Speaker 3>this involves post copulatory cryptic female choice. I believe the

0:19:32.040 --> 0:19:37.600
<v Speaker 3>terminology via various methods. So it is interesting that, yeah,

0:19:37.600 --> 0:19:42.040
<v Speaker 3>this is a supposed ability of legendary mythic female ninja,

0:19:42.119 --> 0:19:45.359
<v Speaker 3>but you have to go into the animal world to

0:19:45.440 --> 0:19:48.560
<v Speaker 3>find examples of it in reality. Now, it should also

0:19:48.600 --> 0:19:50.600
<v Speaker 3>come as no surprise, given the sort of fem fatale

0:19:50.720 --> 0:19:53.800
<v Speaker 3>nature of female ninja and pop culture, that some of

0:19:53.840 --> 0:19:57.960
<v Speaker 3>their weapons are related to seduction and sex. If go

0:19:58.000 --> 0:20:00.960
<v Speaker 3>ahead and maybe skip fifteen seconds of this if you

0:20:01.040 --> 0:20:04.000
<v Speaker 3>just want to skip the the very mild details here,

0:20:04.760 --> 0:20:08.440
<v Speaker 3>but here they are. They include death by orgasm, death

0:20:08.480 --> 0:20:12.880
<v Speaker 3>by reversing the male's reproductive ejections, shall we say, back

0:20:12.920 --> 0:20:16.199
<v Speaker 3>into his body, killing him in the process. And then

0:20:16.240 --> 0:20:19.520
<v Speaker 3>there's the technique where they seduce a man so hard

0:20:20.000 --> 0:20:22.080
<v Speaker 3>that he's mentally turned into an infant.

0:20:22.440 --> 0:20:22.760
<v Speaker 1>HM.

0:20:23.080 --> 0:20:24.320
<v Speaker 3>Great trick if you can pull it off.

0:20:24.520 --> 0:20:25.680
<v Speaker 1>Yeah.

0:20:25.920 --> 0:20:28.400
<v Speaker 3>Now, I'm not sure that Frank Herbert was directly inspired

0:20:28.440 --> 0:20:30.200
<v Speaker 3>by any of this, And if I had to guess

0:20:30.240 --> 0:20:32.439
<v Speaker 3>I would say he was probably not, but I have

0:20:32.560 --> 0:20:35.560
<v Speaker 3>read that he did study Japanese and Chinese culture, among

0:20:36.119 --> 0:20:38.560
<v Speaker 3>so many other things, so it's not impossible that he

0:20:38.640 --> 0:20:41.600
<v Speaker 3>got some inspiration from all of this. And certainly, like

0:20:41.640 --> 0:20:47.560
<v Speaker 3>some of these, the detailed classifications of spycraft, we do

0:20:47.680 --> 0:20:50.800
<v Speaker 3>see these reflected in the Dune series. You know, it's

0:20:51.040 --> 0:20:56.080
<v Speaker 3>just thinking earlier about the Hearkenans hiding somebody away in

0:20:56.160 --> 0:21:00.760
<v Speaker 3>the walls in Araken as an assass a nation attempt

0:21:00.840 --> 0:21:03.000
<v Speaker 3>on the royal household. You know, there's somebody who's like

0:21:03.080 --> 0:21:07.120
<v Speaker 3>locked up for days or whatnot. You know, so who knows,

0:21:07.200 --> 0:21:10.199
<v Speaker 3>Maybe he was inspired by it, maybe not. Now for

0:21:10.440 --> 0:21:14.040
<v Speaker 3>other magical arts attributed to the ninja, well, we've already

0:21:14.040 --> 0:21:18.359
<v Speaker 3>mentioned the fictional phantom toad summoning of Juriah, but there

0:21:18.359 --> 0:21:21.320
<v Speaker 3>are some other interesting ones as well, and Yoda and

0:21:21.359 --> 0:21:23.080
<v Speaker 3>all mentioned some of these, And again, not all of

0:21:23.119 --> 0:21:26.760
<v Speaker 3>these are definitely classified as ninja or shnobi, but a

0:21:26.760 --> 0:21:29.720
<v Speaker 3>lot of them are kind of shinobi adjacent. And then

0:21:29.760 --> 0:21:32.120
<v Speaker 3>again you have to think about the fact that as

0:21:32.800 --> 0:21:37.840
<v Speaker 3>ninja myths in the popular culture kind of coalesce, they're

0:21:37.880 --> 0:21:41.840
<v Speaker 3>going to draw in multiple things. So one figure worth

0:21:41.880 --> 0:21:47.000
<v Speaker 3>looking at is sixteenth century sage Kashin Kogi, not a ninja,

0:21:47.119 --> 0:21:50.639
<v Speaker 3>more of a wizard, attributed with various acts of illusion

0:21:50.880 --> 0:21:55.000
<v Speaker 3>and shape shifting. So he would do things like allegedly

0:21:55.080 --> 0:21:58.560
<v Speaker 3>throw leaves into the water and make them turn into fish.

0:21:58.640 --> 0:22:01.560
<v Speaker 3>Various other entertaining illusion instead are maybe not that far

0:22:01.680 --> 0:22:06.160
<v Speaker 3>remove from the idea of somebody doing little illusionary tricks

0:22:06.600 --> 0:22:08.440
<v Speaker 3>on the sidewalk or in a subway station.

0:22:08.840 --> 0:22:10.960
<v Speaker 1>Oh that's interesting, yeah.

0:22:10.760 --> 0:22:13.879
<v Speaker 3>But yeah, he was according to legend, he was something

0:22:13.880 --> 0:22:17.959
<v Speaker 3>of a trickster for sure. For instance, there's this story

0:22:18.000 --> 0:22:20.879
<v Speaker 3>that he painted a detailed illustration of the torments of

0:22:20.960 --> 0:22:24.119
<v Speaker 3>Hell that when he looked at it, it seemed animated

0:22:24.160 --> 0:22:27.119
<v Speaker 3>to the naked eye, So you know, do with that

0:22:27.240 --> 0:22:29.480
<v Speaker 3>what you will. Maybe it was just like really detailed.

0:22:29.720 --> 0:22:33.200
<v Speaker 3>Maybe there was some sort of effect involved, or it

0:22:33.240 --> 0:22:36.520
<v Speaker 3>was magic. You know, he's a magical painter, and it

0:22:36.560 --> 0:22:38.920
<v Speaker 3>looks like it moves like you know, Harry Potter style

0:22:39.000 --> 0:22:41.560
<v Speaker 3>or something, and everybody was really impressed by it, and

0:22:41.600 --> 0:22:44.200
<v Speaker 3>in fact, the powerful Daimyo some called him the demon

0:22:44.280 --> 0:22:49.360
<v Speaker 3>Daimyo Nabunaga, insisted on buying it, and the negotiations apparently

0:22:49.359 --> 0:22:53.720
<v Speaker 3>included at least one assassination attempt on the artist, and

0:22:54.000 --> 0:22:57.960
<v Speaker 3>you know, but Cogie stuck to his guns and finally

0:22:58.000 --> 0:23:00.359
<v Speaker 3>agreed to sell it for just a crazy son, just

0:23:01.320 --> 0:23:03.800
<v Speaker 3>I don't know how much, but a lot, at which

0:23:03.840 --> 0:23:08.679
<v Speaker 3>point the art suddenly lost its animated magic and Nabanaga

0:23:08.720 --> 0:23:11.880
<v Speaker 3>is like, what happened? Why is it not moving anymore?

0:23:11.920 --> 0:23:15.600
<v Speaker 3>Why is it not as amazing as was previously? And

0:23:15.640 --> 0:23:18.760
<v Speaker 3>he's like, well, it used to be priceless, but then

0:23:18.760 --> 0:23:20.679
<v Speaker 3>we agreed on a price, and so the quality of

0:23:20.680 --> 0:23:23.920
<v Speaker 3>the piece adjusted to that price sounds like a great

0:23:23.920 --> 0:23:25.639
<v Speaker 3>way to get beheaded. But I don't know. You know,

0:23:25.640 --> 0:23:28.280
<v Speaker 3>that's the thing about being a trickster, daring, trickster wizard.

0:23:28.320 --> 0:23:30.240
<v Speaker 3>You can pull these things off. I guess.

0:23:30.840 --> 0:23:33.680
<v Speaker 1>Artists in the audience remember this negotiating.

0:23:33.119 --> 0:23:36.160
<v Speaker 3>Tape again, Yeah, yeah, try and pull that one off.

0:23:36.440 --> 0:23:38.879
<v Speaker 3>So Koji again not a ninja, but a figure that

0:23:38.920 --> 0:23:43.040
<v Speaker 3>crosses over with some of the attributed magics of the ninja,

0:23:43.520 --> 0:23:46.119
<v Speaker 3>and as a pop culture figure, he does pop up

0:23:46.119 --> 0:23:48.920
<v Speaker 3>in a lot of ninja media, such as nineteen eighty

0:23:48.920 --> 0:23:53.400
<v Speaker 3>two's Ninja Wars aka Death of a Ninja starring hero

0:23:53.480 --> 0:23:56.679
<v Speaker 3>Yuki Sonata, a major actor who would go on to

0:23:56.800 --> 0:23:59.040
<v Speaker 3>of course have a starring role in the recent Showgun

0:23:59.119 --> 0:24:02.840
<v Speaker 3>series on FX. But also he played Scorpion the ninja

0:24:03.000 --> 0:24:05.639
<v Speaker 3>in one of those in that recent Mortal Kombat film.

0:24:05.720 --> 0:24:09.360
<v Speaker 3>So definitely a figure that has immersed in the ninja lore,

0:24:09.400 --> 0:24:10.879
<v Speaker 3>and I think he's popped up in a film or

0:24:10.880 --> 0:24:14.520
<v Speaker 3>two for Weird House cinema. Great actor. I have not

0:24:14.600 --> 0:24:16.840
<v Speaker 3>seen Ninja Wars though, so I can't really vouch for it.

0:24:17.400 --> 0:24:21.360
<v Speaker 3>All right, shall we get into some more alleged ninja

0:24:21.359 --> 0:24:22.720
<v Speaker 3>technologies of note?

0:24:23.000 --> 0:24:24.399
<v Speaker 1>Yes, absolutely so.

0:24:24.440 --> 0:24:27.600
<v Speaker 3>As we previously discussed, the modern trope of the ninja

0:24:27.840 --> 0:24:30.800
<v Speaker 3>typically involves their use of a traditional martial art that

0:24:30.880 --> 0:24:34.840
<v Speaker 3>prioritizes medieval weaponry. Right, so these ninjas will use a

0:24:34.960 --> 0:24:38.320
<v Speaker 3>schuriken to bypass a security panel. They will kill a

0:24:38.440 --> 0:24:41.040
<v Speaker 3>robot with a sword, right, you know exactly what I'm

0:24:41.040 --> 0:24:41.640
<v Speaker 3>getting at here?

0:24:41.680 --> 0:24:42.840
<v Speaker 1>Oh? Yes, yeah.

0:24:42.880 --> 0:24:46.120
<v Speaker 3>In reality, though, as we've been stressing, the shanobi would

0:24:46.160 --> 0:24:49.000
<v Speaker 3>have used whatever tools were necessarily and available to them,

0:24:49.040 --> 0:24:53.000
<v Speaker 3>including what was essentially cutting edge technology like the latest

0:24:53.040 --> 0:24:56.800
<v Speaker 3>in explosives, the latest in chemistry, the latest in firearms.

0:24:57.280 --> 0:24:59.720
<v Speaker 3>And so we do have some examples of the sort

0:24:59.720 --> 0:25:03.600
<v Speaker 3>of thing again with the huge caveat that we have

0:25:03.680 --> 0:25:07.600
<v Speaker 3>a lot of crossing of history and legend here. But

0:25:08.119 --> 0:25:14.080
<v Speaker 3>fifteenth century Shnobi commander Mochiuki Izumo no Kami is said

0:25:14.119 --> 0:25:19.520
<v Speaker 3>to have utilized smoke bombs, pyrotechnics, code signals, and some

0:25:19.680 --> 0:25:22.960
<v Speaker 3>form of weather prediction. And I'm not sure to what

0:25:23.040 --> 0:25:27.960
<v Speaker 3>extent we're talking about weather prediction that based on acceptable

0:25:28.000 --> 0:25:30.160
<v Speaker 3>models and methods or something that was maybe a little

0:25:30.200 --> 0:25:34.720
<v Speaker 3>more supernatural in form, but you know, both are likely

0:25:34.760 --> 0:25:35.639
<v Speaker 3>to some degree.

0:25:35.960 --> 0:25:38.440
<v Speaker 1>Yeah, Remember some of these ninja tsu manuals did involve

0:25:38.520 --> 0:25:40.120
<v Speaker 1>like divination and astrology.

0:25:40.520 --> 0:25:43.159
<v Speaker 3>Yeah, and so ninja throughout the centuries were said to

0:25:43.320 --> 0:25:48.199
<v Speaker 3>use noarroshi no jutsu smoke bombs, though yoda and all stresses.

0:25:48.280 --> 0:25:52.240
<v Speaker 3>These were likely quote carefully placed in ignited smoke pots,

0:25:52.960 --> 0:25:56.480
<v Speaker 3>given the limited pyrotechnic abilities of the time, and that

0:25:56.600 --> 0:25:58.600
<v Speaker 3>also they would use things that we would think of

0:25:58.640 --> 0:26:01.560
<v Speaker 3>as just simple firecrackers to serve as distractions, you know,

0:26:01.960 --> 0:26:05.040
<v Speaker 3>set off a little pop over here, just enough distraction

0:26:05.119 --> 0:26:06.960
<v Speaker 3>to do whatever it is you need to do, be

0:26:07.119 --> 0:26:11.040
<v Speaker 3>that something more pop culture ninja ish as sneak from

0:26:11.080 --> 0:26:13.840
<v Speaker 3>one point to another, or you know, switch out a

0:26:13.840 --> 0:26:15.960
<v Speaker 3>piece of paper in an office, that sort of thing.

0:26:17.359 --> 0:26:20.040
<v Speaker 3>But yeah, the smoke bombs, of course are a huge

0:26:20.080 --> 0:26:21.680
<v Speaker 3>part of the Ninja myth, and they spill over into

0:26:21.680 --> 0:26:24.240
<v Speaker 3>Batman as well, like Batman's always throwing smoke bombs and

0:26:24.280 --> 0:26:29.040
<v Speaker 3>disappearing right, and the reality is maybe less as instantly

0:26:29.440 --> 0:26:33.200
<v Speaker 3>dramatic as that. It might have been more something that

0:26:33.320 --> 0:26:36.000
<v Speaker 3>involved like placing something, lighting it and waiting for the

0:26:36.040 --> 0:26:39.960
<v Speaker 3>smoke to build up. Right. Now, getting into the use

0:26:40.119 --> 0:26:44.280
<v Speaker 3>of weaponry, we have the example of sixteenth century assassin

0:26:44.840 --> 0:26:49.200
<v Speaker 3>of Sujatini Zunjubo, and he is noted for his use

0:26:49.240 --> 0:26:53.080
<v Speaker 3>of the Japanese matchlock rifle. So this is an individual

0:26:53.119 --> 0:26:59.600
<v Speaker 3>that was definitely an assassin, definitely an attempted assassin, definitely

0:26:59.760 --> 0:27:03.560
<v Speaker 3>a marksman. Was he a shnobi, I don't know. I'm

0:27:03.560 --> 0:27:05.199
<v Speaker 3>not as sure on that. I think you could say

0:27:05.240 --> 0:27:08.200
<v Speaker 3>that he definitely engaged in a major shnobi activity, though

0:27:08.920 --> 0:27:11.919
<v Speaker 3>this was apparently a Codo clan marksman task with the

0:27:11.960 --> 0:27:17.720
<v Speaker 3>assassination of Oda Nobuniga himself, a local warlord was said

0:27:17.760 --> 0:27:19.679
<v Speaker 3>to have hired him for the task and provided with

0:27:19.760 --> 0:27:24.080
<v Speaker 3>key intel about Nabonaga's scheduled transit through a particular pass

0:27:24.200 --> 0:27:27.920
<v Speaker 3>in Omi. This would have been on May nineteenth, fifteen seventy,

0:27:28.720 --> 0:27:32.080
<v Speaker 3>so you know basic you know, sort of sniper operations.

0:27:32.119 --> 0:27:35.720
<v Speaker 3>Here he set up a position days in advance, using

0:27:35.880 --> 0:27:40.000
<v Speaker 3>like the patients of the shnoby if nothing else until okay,

0:27:40.040 --> 0:27:43.520
<v Speaker 3>here it comes the retinue. Here comes Nabunka in armor

0:27:43.600 --> 0:27:47.040
<v Speaker 3>on his on his steed, accompanied by all of his men,

0:27:47.760 --> 0:27:52.000
<v Speaker 3>and our would be assassin. Here Zenjubo knows that he

0:27:52.080 --> 0:27:55.960
<v Speaker 3>really only has one shot. You know, this is this

0:27:56.000 --> 0:27:59.280
<v Speaker 3>is a matchlock rifle. You know, he's not rapid fire.

0:28:00.240 --> 0:28:02.840
<v Speaker 3>He's going to get one shot off and then it's

0:28:02.880 --> 0:28:04.720
<v Speaker 3>going to be so loud and it's going to produce

0:28:04.800 --> 0:28:07.399
<v Speaker 3>a discharge of smoke. And he's not like, you know,

0:28:07.520 --> 0:28:10.439
<v Speaker 3>miles away or anything. So he knows that the instant

0:28:10.440 --> 0:28:14.720
<v Speaker 3>he fires this shot, they're gonna mark his position, and

0:28:14.800 --> 0:28:17.119
<v Speaker 3>so he needs to he needs to make sure that

0:28:17.119 --> 0:28:19.239
<v Speaker 3>that shot lands home or he's gonna have to like

0:28:19.280 --> 0:28:21.400
<v Speaker 3>try and get off the second one if he can.

0:28:22.119 --> 0:28:25.159
<v Speaker 3>So he fires the shot, knocks in Abunika from his horse,

0:28:25.880 --> 0:28:28.639
<v Speaker 3>but as it turns out, does not kill him because

0:28:28.680 --> 0:28:32.000
<v Speaker 3>the collar armor that he's wearing absorbs the shot, so

0:28:32.200 --> 0:28:36.280
<v Speaker 3>Zenjubo flees, he hides that he is eventually caught and

0:28:36.320 --> 0:28:40.520
<v Speaker 3>subjected to slow execution. I believe the story is that

0:28:40.560 --> 0:28:42.640
<v Speaker 3>they buried him up to his neck in the sand

0:28:42.720 --> 0:28:44.080
<v Speaker 3>and like sawed his head off.

0:28:44.400 --> 0:28:44.680
<v Speaker 1>Wow.

0:28:45.080 --> 0:28:48.200
<v Speaker 3>Now it was worth noting that snipers then and now

0:28:49.120 --> 0:28:53.240
<v Speaker 3>sometimes utilize breathing techniques to steady one's aim in. Various

0:28:53.280 --> 0:28:55.560
<v Speaker 3>breathing techniques and things that you could also think of

0:28:55.600 --> 0:28:58.880
<v Speaker 3>as like self hypnosis have also been attributed to the

0:28:58.880 --> 0:29:03.760
<v Speaker 3>shinobi general to aid in stealth or patience. Now, at

0:29:03.760 --> 0:29:05.760
<v Speaker 3>this point, let's come back to the idea of a

0:29:05.880 --> 0:29:09.320
<v Speaker 3>ninja sword, something that is just inseparable from the modern

0:29:10.320 --> 0:29:13.800
<v Speaker 3>myth of the ninja. In fact, we already in passing

0:29:13.800 --> 0:29:16.320
<v Speaker 3>I think, talked about teenage mutant ninja turtles with katana.

0:29:16.880 --> 0:29:20.120
<v Speaker 3>You know, like, if you're gonna make turtles into ninjas,

0:29:20.160 --> 0:29:22.640
<v Speaker 3>you give one of them swords. That's just what you do.

0:29:23.000 --> 0:29:25.000
<v Speaker 3>And we actually heard from at least one listener who

0:29:25.040 --> 0:29:26.880
<v Speaker 3>wrote in and was like, oh, yeah, there's actually the

0:29:26.920 --> 0:29:31.200
<v Speaker 3>whole thing about the ninja having a specific sword, the

0:29:31.240 --> 0:29:37.440
<v Speaker 3>Shanovi katana. But as this listener pointed out, and as

0:29:37.480 --> 0:29:39.840
<v Speaker 3>it is discussed in the text we were working from,

0:29:40.240 --> 0:29:43.320
<v Speaker 3>this sword's exact form is at least a matter of

0:29:43.360 --> 0:29:47.000
<v Speaker 3>some controversy. There are a lot of strong arguments that

0:29:47.240 --> 0:29:50.560
<v Speaker 3>this sword never existed at all. This is one of

0:29:50.600 --> 0:29:53.520
<v Speaker 3>those examples where we don't see mention of it in

0:29:53.760 --> 0:29:59.640
<v Speaker 3>the historic ninja guide books and instruction manuals. There's a

0:29:59.760 --> 0:30:04.000
<v Speaker 3>very strong argument that these were created entirely in the

0:30:04.000 --> 0:30:07.239
<v Speaker 3>twentieth century. Though again this is certainly something where then

0:30:07.280 --> 0:30:08.840
<v Speaker 3>you can go around and buy one at a mall

0:30:08.960 --> 0:30:11.760
<v Speaker 3>in like Wisconsin, so you can argue that will this

0:30:11.800 --> 0:30:15.200
<v Speaker 3>shouobi katana exists now you see it in movies and

0:30:15.240 --> 0:30:18.800
<v Speaker 3>you can buy one, you know, at the mall. But

0:30:19.360 --> 0:30:21.960
<v Speaker 3>let's get into the idea of it, at least the

0:30:22.000 --> 0:30:23.800
<v Speaker 3>myth of it. The idea is that this would be

0:30:23.840 --> 0:30:27.440
<v Speaker 3>a short straight blade with a pointed scabbard, So the

0:30:27.480 --> 0:30:29.920
<v Speaker 3>scabbard has a point at the end, and also a

0:30:29.920 --> 0:30:33.320
<v Speaker 3>simple square guard you know, at the between the hilt

0:30:33.320 --> 0:30:36.480
<v Speaker 3>and the blade, and the aspects of its design were

0:30:36.480 --> 0:30:38.800
<v Speaker 3>said to be very practical for the ninja. So the

0:30:38.840 --> 0:30:41.760
<v Speaker 3>pointed scabbard allowed it to be driven into the ground,

0:30:41.800 --> 0:30:44.160
<v Speaker 3>so it could be you could serve as a footstool

0:30:44.200 --> 0:30:47.720
<v Speaker 3>to aid in climbing. I think there's some other stories

0:30:47.760 --> 0:30:50.800
<v Speaker 3>about the scabbard being used as like a breathing tube

0:30:50.840 --> 0:30:53.760
<v Speaker 3>if an engine needed to go under water. I'm not

0:30:53.800 --> 0:30:56.320
<v Speaker 3>sure why that would be more effective than having a

0:30:56.320 --> 0:30:59.080
<v Speaker 3>breathing tube on you or using a red or something.

0:31:00.560 --> 0:31:02.640
<v Speaker 1>Trying to imagine now, I think the idea with the

0:31:02.680 --> 0:31:05.800
<v Speaker 1>scabbard is that you wouldn't you could stab it into

0:31:05.840 --> 0:31:09.000
<v Speaker 1>the ground within its scabbard and then stand on the

0:31:09.120 --> 0:31:11.320
<v Speaker 1>hilt of the sword to like hop over a wall

0:31:11.400 --> 0:31:14.760
<v Speaker 1>and then like pull it up by a rope. That's

0:31:14.800 --> 0:31:16.440
<v Speaker 1>the idea, because I guess if you were to stab

0:31:16.520 --> 0:31:19.360
<v Speaker 1>the blade of the sword into the ground, the ideas

0:31:19.400 --> 0:31:22.480
<v Speaker 1>that would dull it. Yeah, But I'd also seen something

0:31:22.520 --> 0:31:26.239
<v Speaker 1>about just generally using the scabbard of this sword as

0:31:26.280 --> 0:31:29.600
<v Speaker 1>a kind of like a feeler, like an untinnee in

0:31:29.640 --> 0:31:30.120
<v Speaker 1>the dark.

0:31:30.680 --> 0:31:33.320
<v Speaker 3>Yeah. The idea that you would kind of like partially

0:31:33.400 --> 0:31:36.360
<v Speaker 3>unsheath your sword, hold it out in front of you,

0:31:36.880 --> 0:31:39.320
<v Speaker 3>and if you like taped into something, you're like, oh,

0:31:39.360 --> 0:31:40.959
<v Speaker 3>there's a person there, and then you can pull your

0:31:40.960 --> 0:31:43.920
<v Speaker 3>sword out and like slash them or something. I think

0:31:43.960 --> 0:31:45.960
<v Speaker 3>it's been referred to as like a person detector or

0:31:45.960 --> 0:31:48.800
<v Speaker 3>a people detector. And of course there's the other obvious

0:31:48.880 --> 0:31:52.320
<v Speaker 3>idea that if you're doing some sneaking around and potentially

0:31:52.480 --> 0:31:55.960
<v Speaker 3>using that weapon in a confined space, it pays for

0:31:56.000 --> 0:31:58.200
<v Speaker 3>your sword to be short as opposed to being some

0:31:58.240 --> 0:32:01.160
<v Speaker 3>sort of like a longer sword. So this would be

0:32:01.240 --> 0:32:04.920
<v Speaker 3>in keeping with operations that required disguise and so forth

0:32:05.120 --> 0:32:08.720
<v Speaker 3>easier to hide, easier to carry, and all that. So again,

0:32:08.920 --> 0:32:11.000
<v Speaker 3>very strong argument to be made that these were just

0:32:11.040 --> 0:32:14.840
<v Speaker 3>invented in the twentieth century as part of outright ninja

0:32:14.880 --> 0:32:18.560
<v Speaker 3>fiction and myth making. But something that Yoda and All

0:32:18.600 --> 0:32:21.240
<v Speaker 3>point out is that, okay, if these swords did exist,

0:32:22.200 --> 0:32:24.320
<v Speaker 3>which depending on where you land on this could be

0:32:24.360 --> 0:32:27.920
<v Speaker 3>a huge if they would have been very simple. They

0:32:27.920 --> 0:32:30.440
<v Speaker 3>wouldn't have been ornate because they would not have been

0:32:30.520 --> 0:32:35.040
<v Speaker 3>forged by a master swordsmith, one of these individuals responsible

0:32:35.080 --> 0:32:40.480
<v Speaker 3>for the just the elegant superiority of the noble samurai sword.

0:32:40.840 --> 0:32:43.600
<v Speaker 3>But rather these would have been made by blacksmiths in

0:32:43.640 --> 0:32:46.680
<v Speaker 3>the country, probably who were willing to take a risk

0:32:46.760 --> 0:32:51.560
<v Speaker 3>making an illegal sword. Because remember, your average genobi here is,

0:32:52.400 --> 0:32:55.000
<v Speaker 3>if not an actual criminal is at least a common

0:32:55.080 --> 0:32:58.800
<v Speaker 3>born person, and it was illegal for commoners to own

0:32:58.840 --> 0:33:01.959
<v Speaker 3>a weapon of any so these would have been dirty

0:33:01.960 --> 0:33:07.760
<v Speaker 3>weapons made for dirty practitioners of the sketchy arts. Yeah,

0:33:07.800 --> 0:33:09.520
<v Speaker 3>and I think we also might want to consider it

0:33:09.600 --> 0:33:13.640
<v Speaker 3>questions of necessity, right, would is Shanoby operative need a sword,

0:33:13.680 --> 0:33:18.280
<v Speaker 3>because even a small sword is fairly sizable, and especially

0:33:18.280 --> 0:33:20.760
<v Speaker 3>if you consider, well, what are you gonna use it for?

0:33:20.840 --> 0:33:22.920
<v Speaker 3>Are you gonna are you gonna engage in a sword fight?

0:33:23.160 --> 0:33:26.760
<v Speaker 3>Probably not. And if you do need some sort of

0:33:26.760 --> 0:33:29.800
<v Speaker 3>a sharp object as a weapon or a tool, well

0:33:29.840 --> 0:33:31.959
<v Speaker 3>there there are other choices you could make, such as

0:33:32.000 --> 0:33:37.120
<v Speaker 3>a common field knife, some other kind of like sharpened

0:33:37.120 --> 0:33:41.000
<v Speaker 3>tool that on one hand, maybe doesn't constitute a full weapon,

0:33:41.400 --> 0:33:43.480
<v Speaker 3>and so for you're not like you're not going to

0:33:43.520 --> 0:33:45.560
<v Speaker 3>be found out immediately just because you have it on

0:33:45.600 --> 0:33:47.880
<v Speaker 3>your person, but the kind of thing that could be

0:33:48.080 --> 0:33:52.080
<v Speaker 3>used as a weapon if things got dire m h.

0:33:52.640 --> 0:33:54.840
<v Speaker 3>And in the cases where they did use swords, yeah,

0:33:54.880 --> 0:33:56.920
<v Speaker 3>we're probably talking about the equivalent of some sort of

0:33:56.960 --> 0:34:09.080
<v Speaker 3>like a black market sword. Now, these again are all

0:34:09.360 --> 0:34:13.359
<v Speaker 3>like pretty standard pop culture ninja weapons, though I think

0:34:13.400 --> 0:34:16.120
<v Speaker 3>it's even more fun to get into some of the

0:34:16.280 --> 0:34:20.960
<v Speaker 3>perhaps weirder technologies that ninja are held to have utilized.

0:34:21.480 --> 0:34:25.640
<v Speaker 1>Right, I think it's time to talk about misugumo. Misugumo

0:34:26.080 --> 0:34:30.640
<v Speaker 1>is a device described in the sixth volume of the

0:34:30.680 --> 0:34:35.320
<v Speaker 1>seventeenth century ninjitsu manual Mensin chu Kai, which I mentioned earlier,

0:34:35.719 --> 0:34:39.120
<v Speaker 1>And the sixth volume is sort of a It describes

0:34:39.239 --> 0:34:42.400
<v Speaker 1>various pieces of ninjitsu equipment and gadget it's kind of

0:34:42.440 --> 0:34:47.360
<v Speaker 1>a C branch compendium. Now when it comes to the misugumo,

0:34:47.800 --> 0:34:50.959
<v Speaker 1>there is a way in which it has commonly been

0:34:51.120 --> 0:34:55.279
<v Speaker 1>interpreted in twentieth century sources, and then there is a

0:34:55.520 --> 0:34:59.160
<v Speaker 1>revisionist understanding of it, which I think seems much more

0:34:59.280 --> 0:35:02.720
<v Speaker 1>likely what the original sources intended. I'm going to start

0:35:02.760 --> 0:35:07.440
<v Speaker 1>off by talking about the more likely confused interpretation. So

0:35:07.560 --> 0:35:12.640
<v Speaker 1>misugumo literally means water spider, and it's clear from the

0:35:12.719 --> 0:35:16.400
<v Speaker 1>context in which this device is described that it's some

0:35:16.520 --> 0:35:21.520
<v Speaker 1>kind of flotation device. So in some popular ninja literature

0:35:21.560 --> 0:35:24.600
<v Speaker 1>of the twentieth century, it has been interpreted as a

0:35:24.680 --> 0:35:29.360
<v Speaker 1>kind of footwear that allows the ninja to walk on

0:35:29.520 --> 0:35:32.279
<v Speaker 1>top of the water, often said to be used for

0:35:32.560 --> 0:35:37.040
<v Speaker 1>crossing the watery moat surrounding a castle. So imagine a

0:35:37.120 --> 0:35:41.600
<v Speaker 1>kind of wooden sandal that is a little rectangular sandal

0:35:41.640 --> 0:35:44.799
<v Speaker 1>in the middle bound with twine in the center of

0:35:44.880 --> 0:35:50.120
<v Speaker 1>a large flat disk made out of wooden quarter circle pieces.

0:35:50.360 --> 0:35:54.400
<v Speaker 1>So you imagine a round disc with a hollow center

0:35:54.520 --> 0:35:58.040
<v Speaker 1>made out of wood cut into four different pieces, and

0:35:58.080 --> 0:36:00.640
<v Speaker 1>they're bound together with twine, and then in the middle

0:36:00.680 --> 0:36:03.560
<v Speaker 1>you've got this little flat sandal soul to stand on.

0:36:04.160 --> 0:36:06.520
<v Speaker 1>You can look up illustrations of this if you want.

0:36:06.560 --> 0:36:09.560
<v Speaker 1>But this idea, in the first interpretation, is that the

0:36:09.640 --> 0:36:12.759
<v Speaker 1>ninja would stand on these and then use them to

0:36:12.960 --> 0:36:16.080
<v Speaker 1>walk across the surface of the water, because hey, wood

0:36:16.080 --> 0:36:20.960
<v Speaker 1>floats right now. Would this actually work? Would such a

0:36:21.040 --> 0:36:24.560
<v Speaker 1>device allow you to walk on water? I think we

0:36:24.600 --> 0:36:27.960
<v Speaker 1>can start by thinking about its namesake, which is the

0:36:28.000 --> 0:36:33.080
<v Speaker 1>water spider. There are insects and spiders that are able

0:36:33.160 --> 0:36:36.319
<v Speaker 1>to walk across the surface of the water without sinking in.

0:36:36.400 --> 0:36:38.440
<v Speaker 1>There are a number of different species that can do this.

0:36:38.920 --> 0:36:41.680
<v Speaker 1>So how do they do it well? There are generally

0:36:41.800 --> 0:36:45.440
<v Speaker 1>two physical forces that they can take advantage of. One

0:36:45.600 --> 0:36:50.360
<v Speaker 1>is standard buoyancy. This works by displacing water with a

0:36:50.520 --> 0:36:54.960
<v Speaker 1>lower density object, and this is how boats float. Boats

0:36:54.960 --> 0:36:58.280
<v Speaker 1>float by having a hollow hull, thus displacing more weight

0:36:58.360 --> 0:37:00.680
<v Speaker 1>in water than their own weight, so they get to

0:37:00.719 --> 0:37:03.279
<v Speaker 1>sit on top of the water without sinking down. The

0:37:03.320 --> 0:37:07.920
<v Speaker 1>other physical factor is surface tension. Insects and spiders are

0:37:08.000 --> 0:37:12.160
<v Speaker 1>small enough that different forces play a major role in

0:37:12.200 --> 0:37:14.840
<v Speaker 1>the way they move through the world, and the surface

0:37:14.960 --> 0:37:18.759
<v Speaker 1>tension of water is one of those forces. Water is

0:37:18.880 --> 0:37:22.920
<v Speaker 1>a polar molecule, so it likes to stick to itself,

0:37:23.280 --> 0:37:25.920
<v Speaker 1>and when there's a mass of water, it forms a

0:37:26.040 --> 0:37:30.160
<v Speaker 1>kind of skin on its surface, with the water molecules

0:37:30.200 --> 0:37:33.480
<v Speaker 1>clinging very tightly to each other and to some extent

0:37:33.640 --> 0:37:38.360
<v Speaker 1>resisting being split apart. So it takes some force actually

0:37:38.400 --> 0:37:42.160
<v Speaker 1>to break through this surface layer of water. Now, given

0:37:42.200 --> 0:37:45.480
<v Speaker 1>the mass of a human body, Earth's gravity pulling us

0:37:45.560 --> 0:37:49.160
<v Speaker 1>downward into a pool of water quite easily overcomes the

0:37:49.200 --> 0:37:52.040
<v Speaker 1>surface tension of water, and we plunge right in. But

0:37:52.560 --> 0:37:56.520
<v Speaker 1>as you become smaller and smaller and your mass becomes smaller,

0:37:57.000 --> 0:38:01.040
<v Speaker 1>gravity becomes less relevant and the surface tension of water

0:38:01.080 --> 0:38:06.280
<v Speaker 1>becomes more relevant. So some insects and spiders are specially

0:38:06.320 --> 0:38:10.760
<v Speaker 1>evolved to take advantage of the power of surface tension

0:38:10.880 --> 0:38:15.160
<v Speaker 1>at their body size by having hydrophobic or water repelling

0:38:15.280 --> 0:38:19.560
<v Speaker 1>surfaces and hairs on their bodies and especially on their feet.

0:38:19.960 --> 0:38:23.160
<v Speaker 1>And these surfaces they for one thing, they spread out

0:38:23.200 --> 0:38:26.440
<v Speaker 1>their weight over a larger surface area by having like

0:38:26.920 --> 0:38:29.600
<v Speaker 1>specially shaped feed and these hairs that allow them to

0:38:29.680 --> 0:38:33.000
<v Speaker 1>kind of spread out their footprint, so they distribute their

0:38:33.040 --> 0:38:35.000
<v Speaker 1>weight over a larger surface of the water. But they

0:38:35.040 --> 0:38:37.960
<v Speaker 1>also at the molecular level, tend to be made of

0:38:38.280 --> 0:38:41.920
<v Speaker 1>hydrophobic substances that do not want to get wet. They

0:38:41.960 --> 0:38:45.359
<v Speaker 1>chemically resist getting wet, and so they do not want

0:38:45.440 --> 0:38:49.040
<v Speaker 1>to penetrate the surface level of the water. And so

0:38:49.360 --> 0:38:52.920
<v Speaker 1>with the combination of these hydrophobic surfaces and distributing their

0:38:52.960 --> 0:38:56.040
<v Speaker 1>weight over the larger space, the arthropod is able to

0:38:56.160 --> 0:38:58.319
<v Speaker 1>walk or skate over the surface of the water by

0:38:58.360 --> 0:39:02.360
<v Speaker 1>taking advantage of that surface tent. This is great for insects,

0:39:02.560 --> 0:39:06.200
<v Speaker 1>but again it works because they are extremely small and

0:39:06.280 --> 0:39:09.440
<v Speaker 1>have very small mass. Once you start getting bigger and

0:39:09.520 --> 0:39:12.720
<v Speaker 1>having more mass to your body, you're just too big

0:39:12.800 --> 0:39:15.239
<v Speaker 1>to take advantage of the surface tension of water in

0:39:15.320 --> 0:39:15.719
<v Speaker 1>this way.

0:39:16.400 --> 0:39:19.000
<v Speaker 3>So you're saying Ninja might have been just really small.

0:39:20.239 --> 0:39:22.839
<v Speaker 1>If Ninja were the size of insects. Yeah, you can

0:39:23.280 --> 0:39:26.279
<v Speaker 1>quite well imagine coming up with technology for running over

0:39:26.280 --> 0:39:28.719
<v Speaker 1>the surface of water. And that brings us back to

0:39:28.760 --> 0:39:32.240
<v Speaker 1>the Misigumo device. So I was not able to find

0:39:32.320 --> 0:39:37.279
<v Speaker 1>any rigorous testing of this device, of recreations of this

0:39:37.320 --> 0:39:41.040
<v Speaker 1>device published in a scientific or historical journal. But I've

0:39:41.040 --> 0:39:44.480
<v Speaker 1>come across a few informal tests staged in things like

0:39:44.520 --> 0:39:48.799
<v Speaker 1>documentaries and TV programs, And having reviewed this evidence and

0:39:48.840 --> 0:39:51.600
<v Speaker 1>read what I could about it, my assessment is this

0:39:51.680 --> 0:39:55.440
<v Speaker 1>device would probably not work as described, at least in

0:39:55.440 --> 0:39:59.600
<v Speaker 1>the way it's interpreted here as footwear, unless the shoes

0:39:59.600 --> 0:40:03.840
<v Speaker 1>were absurdly large, much larger than the specifications in the

0:40:03.920 --> 0:40:08.320
<v Speaker 1>Ninjasu manual indicate, in which case I question the extent

0:40:08.360 --> 0:40:11.440
<v Speaker 1>to which you could be said to walk on water

0:40:11.840 --> 0:40:15.239
<v Speaker 1>as opposed to just floating upright on two small boats.

0:40:15.680 --> 0:40:18.680
<v Speaker 1>And in that case, why is this method of crossing

0:40:18.719 --> 0:40:23.000
<v Speaker 1>the water preferable to just piloting a small raft or canoe.

0:40:23.040 --> 0:40:26.120
<v Speaker 3>Right, because a small rafter canoe works. Wonders like, there's

0:40:26.120 --> 0:40:30.560
<v Speaker 3>a reason we still use canoes and kayaks and so forth.

0:40:30.760 --> 0:40:33.200
<v Speaker 3>They're great. Why would you wear a couple of like

0:40:33.320 --> 0:40:36.080
<v Speaker 3>huge floaty clown shoes instead? Especially if you're trying to

0:40:36.120 --> 0:40:36.640
<v Speaker 3>be stealthy.

0:40:36.960 --> 0:40:39.560
<v Speaker 1>That's right. Now, you might argue, well, you know, a

0:40:39.680 --> 0:40:42.200
<v Speaker 1>rafter canoe is big and you have to it would

0:40:42.239 --> 0:40:44.719
<v Speaker 1>be hard to like carry it to the But in

0:40:44.880 --> 0:40:47.359
<v Speaker 1>order for these shoes to work, they would also need

0:40:47.400 --> 0:40:48.640
<v Speaker 1>to be big and hard to carry.

0:40:49.440 --> 0:40:49.640
<v Speaker 2>Yeah.

0:40:49.640 --> 0:40:52.560
<v Speaker 3>I mean, I'm reminded of every time as a child

0:40:52.680 --> 0:40:55.360
<v Speaker 3>or even as an adult, where I've attempted to stand

0:40:55.440 --> 0:40:58.799
<v Speaker 3>on something floating and say a swimming pool, and how

0:40:58.840 --> 0:41:01.600
<v Speaker 3>long can you stay up unless it is like a

0:41:01.719 --> 0:41:06.000
<v Speaker 3>large surfboard or a larger float, But even a fair

0:41:06.080 --> 0:41:08.120
<v Speaker 3>sized float can prove difficult. You're not going to stay

0:41:08.160 --> 0:41:08.759
<v Speaker 3>up there very long.

0:41:08.960 --> 0:41:10.480
<v Speaker 1>Yeah, that's another thing I want to get to in

0:41:10.520 --> 0:41:15.040
<v Speaker 1>just a minute. Balance. Now, there is another consideration, which

0:41:15.120 --> 0:41:19.239
<v Speaker 1>is the question of what exactly are you crossing. If

0:41:19.239 --> 0:41:23.560
<v Speaker 1>it's actually water, these these you know, water walking shoes

0:41:23.640 --> 0:41:27.839
<v Speaker 1>seem very implausible. But if it's some thicker substance like

0:41:27.960 --> 0:41:31.919
<v Speaker 1>a muddy marsh, perhaps increasing the surface area over which

0:41:31.920 --> 0:41:35.239
<v Speaker 1>your weight is distributed with these wooden disks actually would

0:41:35.239 --> 0:41:39.160
<v Speaker 1>give you an advantage walking over a mud flat or

0:41:39.200 --> 0:41:43.400
<v Speaker 1>a marsh, or some kind of thicker, thicker substrate like

0:41:43.440 --> 0:41:46.399
<v Speaker 1>that it might help to have shoes like this because

0:41:46.400 --> 0:41:48.839
<v Speaker 1>they would function more like snow shoes, you know, they

0:41:48.880 --> 0:41:50.040
<v Speaker 1>just spread your weight out.

0:41:50.560 --> 0:41:52.719
<v Speaker 3>This remind you know, remember we did some episodes on

0:41:52.840 --> 0:41:56.240
<v Speaker 3>mud a while back, right, and I remember looking into

0:41:56.520 --> 0:42:01.000
<v Speaker 3>like military experiments with mud and with vehicles. But I

0:42:01.000 --> 0:42:04.680
<v Speaker 3>believe there were also some accounts of boots, like trying

0:42:04.719 --> 0:42:06.840
<v Speaker 3>to figure out like what kind of boots would enable

0:42:07.080 --> 0:42:09.880
<v Speaker 3>soldiers to move through or across the mud easier. And

0:42:09.920 --> 0:42:12.440
<v Speaker 3>I know there were at least some experiments involving like

0:42:12.800 --> 0:42:16.160
<v Speaker 3>sort of wider shoes almost kind of like snowshoes for mud.

0:42:16.360 --> 0:42:18.560
<v Speaker 1>Right, So if you're thinking about mud or some other

0:42:18.640 --> 0:42:22.080
<v Speaker 1>kind of substrate different than just plain water, different footwear

0:42:22.120 --> 0:42:26.400
<v Speaker 1>options could have advantages. But coming back to the water walking,

0:42:26.800 --> 0:42:31.759
<v Speaker 1>like literal water walking interpretation, that seems unlikely to me.

0:42:32.400 --> 0:42:36.720
<v Speaker 1>One example of these informal tests that recreated a model

0:42:36.760 --> 0:42:39.399
<v Speaker 1>of this device and tried it out was actually MythBusters

0:42:39.440 --> 0:42:41.600
<v Speaker 1>that they did an episode where they tried it and

0:42:41.680 --> 0:42:44.239
<v Speaker 1>it did not work at all. They sank right into

0:42:44.239 --> 0:42:47.839
<v Speaker 1>the water or quickly lost upright balance and toppled over.

0:42:48.239 --> 0:42:51.160
<v Speaker 1>And they even made like much more buoyant shoes like

0:42:51.560 --> 0:42:54.480
<v Speaker 1>more buoyant, larger shoes that were different than the original

0:42:54.920 --> 0:42:59.880
<v Speaker 1>design in these Ninjasu manuals and still had trouble staying upright.

0:43:00.280 --> 0:43:02.919
<v Speaker 1>The issue is that an adult human is just way

0:43:02.960 --> 0:43:07.600
<v Speaker 1>too heavy for reasonably sized shoe worn floatation devices to

0:43:07.640 --> 0:43:10.280
<v Speaker 1>keep them afloat, So they're not going to work unless

0:43:10.320 --> 0:43:13.200
<v Speaker 1>you make the shoes gigantic. But in doing so, you

0:43:13.239 --> 0:43:16.799
<v Speaker 1>would probably lose the ability to quote walk in them

0:43:16.840 --> 0:43:19.279
<v Speaker 1>with any kind of grace, So you're just trying to

0:43:19.280 --> 0:43:23.719
<v Speaker 1>like stand up into little canoes. And this brings us

0:43:23.760 --> 0:43:27.240
<v Speaker 1>back to the how generally floatation devices on the human

0:43:27.280 --> 0:43:32.760
<v Speaker 1>scale and larger work by displacing more weight of water

0:43:33.280 --> 0:43:36.000
<v Speaker 1>than the total amount of weight that is being kept afloat.

0:43:36.400 --> 0:43:39.359
<v Speaker 1>So you can float a thousand ton boat on top

0:43:39.400 --> 0:43:42.480
<v Speaker 1>of the water if the volume of the boat displaces

0:43:42.520 --> 0:43:45.160
<v Speaker 1>more than a thousand tons of water. Right, So, you

0:43:45.200 --> 0:43:47.359
<v Speaker 1>can have a boat made out of steel that has

0:43:47.360 --> 0:43:50.520
<v Speaker 1>a hollow hull, and even though steel is very dense

0:43:50.560 --> 0:43:54.160
<v Speaker 1>and would sink in water, it's displacing more water than

0:43:54.200 --> 0:43:56.080
<v Speaker 1>the total weight of the boat and all its cargo.

0:43:56.880 --> 0:43:59.480
<v Speaker 1>So when you think about it this way, it's relatively

0:43:59.560 --> 0:44:03.919
<v Speaker 1>easy to create a personal floatation device that will keep

0:44:03.960 --> 0:44:08.160
<v Speaker 1>you from sinking entirely under the water, because once your

0:44:08.200 --> 0:44:13.040
<v Speaker 1>body is mostly submerged in the water, it's already displacing

0:44:13.239 --> 0:44:16.600
<v Speaker 1>a lot of water. The average density of the human

0:44:16.640 --> 0:44:20.759
<v Speaker 1>body is very close to the density of water. I've

0:44:20.760 --> 0:44:24.960
<v Speaker 1>seen estimates that on average, a human adult with lungs

0:44:25.080 --> 0:44:28.120
<v Speaker 1>full of air is slightly less dense than water and

0:44:28.160 --> 0:44:31.760
<v Speaker 1>will float, and a human after exhaling with the lungs

0:44:31.800 --> 0:44:35.200
<v Speaker 1>empty is slightly more dense than water on average, or

0:44:35.680 --> 0:44:39.560
<v Speaker 1>roughly neutrally buoyant, and will more likely sink. And this

0:44:39.640 --> 0:44:43.520
<v Speaker 1>is going to vary somewhat due to tissue composition, clothing,

0:44:44.920 --> 0:44:47.520
<v Speaker 1>Literally how much gas you have in your digestive system

0:44:47.600 --> 0:44:51.120
<v Speaker 1>that plays a role in your natural buoyancy. But as

0:44:51.239 --> 0:44:55.640
<v Speaker 1>animals were naturally right around on the line between sinking

0:44:55.719 --> 0:44:58.440
<v Speaker 1>and floating, So if you just add a little bit

0:44:58.480 --> 0:45:02.040
<v Speaker 1>of extra low mass volume, like a life vest, it

0:45:02.080 --> 0:45:06.239
<v Speaker 1>pushes your volume to weight ratio over the line and

0:45:06.320 --> 0:45:08.880
<v Speaker 1>makes you a little more buoyant enough that your head

0:45:09.040 --> 0:45:12.280
<v Speaker 1>easily stays above the water, with most of your body

0:45:12.320 --> 0:45:15.520
<v Speaker 1>maybe neck down or shoulders down, displacing a lot of

0:45:15.600 --> 0:45:19.840
<v Speaker 1>water below the water line, but walking on top of

0:45:19.880 --> 0:45:23.759
<v Speaker 1>the water is a very different physical goal than just

0:45:23.840 --> 0:45:27.240
<v Speaker 1>keeping your head and its breathing holes above the water line.

0:45:27.520 --> 0:45:30.239
<v Speaker 1>To walk on top of the water, you would need

0:45:30.360 --> 0:45:35.240
<v Speaker 1>shoes that by themselves, just the shoe part, displace your

0:45:35.440 --> 0:45:39.040
<v Speaker 1>entire body's weight in water, which again means that the

0:45:39.040 --> 0:45:43.239
<v Speaker 1>shoes need to be both light or boat shaped in

0:45:43.280 --> 0:45:46.480
<v Speaker 1>a way with like a hollow hull and compared to

0:45:46.520 --> 0:45:51.080
<v Speaker 1>normal shoes huge. So it is not impossible to have

0:45:51.360 --> 0:45:53.600
<v Speaker 1>sort of shoes that will allow you to float on

0:45:53.600 --> 0:45:55.320
<v Speaker 1>the top of the water. You can look up videos

0:45:55.360 --> 0:45:58.080
<v Speaker 1>of people creating things like this, but again it's just

0:45:58.120 --> 0:46:01.920
<v Speaker 1>like people standing on too small boats. They're like big things,

0:46:01.960 --> 0:46:06.360
<v Speaker 1>they're not like shoes. The other issue is balance. You

0:46:06.440 --> 0:46:09.800
<v Speaker 1>brought this up rob Because of the low friction that

0:46:09.920 --> 0:46:13.720
<v Speaker 1>the interface between your water walking shoes and the water

0:46:13.880 --> 0:46:16.880
<v Speaker 1>as compared to shoes and the ground, it is difficult

0:46:16.920 --> 0:46:20.680
<v Speaker 1>to stay upright and propel yourself forward on a floatation device.

0:46:21.400 --> 0:46:24.840
<v Speaker 1>In videos like the MythBusters test, when people try to

0:46:24.880 --> 0:46:27.880
<v Speaker 1>do this, they quickly either sink or just tumble over.

0:46:28.640 --> 0:46:31.400
<v Speaker 3>Yeah, you end up falling one way, and say, like

0:46:31.400 --> 0:46:34.440
<v Speaker 3>the boogie board you're trying to balance on ends up

0:46:34.480 --> 0:46:36.439
<v Speaker 3>like soaring off the other way.

0:46:36.840 --> 0:46:42.080
<v Speaker 1>Yeah, so the mizogumo as shoes interpretation for walking on

0:46:42.520 --> 0:46:47.319
<v Speaker 1>actual water seems totally not plausible. However, a lot of

0:46:47.320 --> 0:46:51.360
<v Speaker 1>this gets cleared up with a reinterpretation of what this

0:46:51.520 --> 0:46:55.880
<v Speaker 1>device was intended to be used for. So the original

0:46:55.960 --> 0:47:00.600
<v Speaker 1>text that describes this device does not describe about how

0:47:00.719 --> 0:47:04.799
<v Speaker 1>it's used. It only sort of give give specifications of

0:47:04.840 --> 0:47:08.160
<v Speaker 1>the device itself and shows an illustration of a single

0:47:08.200 --> 0:47:12.480
<v Speaker 1>one in isolation, notably not a pair of them. Also,

0:47:12.560 --> 0:47:16.240
<v Speaker 1>the original illustration does not indicate any kind of sandal

0:47:16.320 --> 0:47:19.840
<v Speaker 1>strap or other way of attaching the paddle in the

0:47:19.880 --> 0:47:23.840
<v Speaker 1>middle of the disk to one's foot. So some modern

0:47:23.880 --> 0:47:26.319
<v Speaker 1>scholars have come to think that this device was not

0:47:26.520 --> 0:47:31.600
<v Speaker 1>actually intended to be used in pairs as footwear, but

0:47:31.760 --> 0:47:36.560
<v Speaker 1>instead was a seat used for floatation in the water.

0:47:36.960 --> 0:47:41.799
<v Speaker 1>So a ninja could, according to this interpretation, sit in

0:47:41.880 --> 0:47:44.000
<v Speaker 1>this sort of ring and use it like an inner

0:47:44.040 --> 0:47:47.960
<v Speaker 1>tube and then float across a water remote but they

0:47:48.000 --> 0:47:50.640
<v Speaker 1>absolutely would get wet if they did this. They would

0:47:50.680 --> 0:47:53.200
<v Speaker 1>be sitting in the water, but the upper part of

0:47:53.239 --> 0:47:55.560
<v Speaker 1>their body would be sitting above the water like sitting

0:47:55.600 --> 0:47:56.480
<v Speaker 1>in an inner tube.

0:47:56.760 --> 0:47:58.520
<v Speaker 3>So you might want to, like take your pants off,

0:47:59.600 --> 0:48:03.880
<v Speaker 3>you an pants in your pack until you get across,

0:48:04.400 --> 0:48:06.440
<v Speaker 3>climb up half naked, and then put your pants back

0:48:06.440 --> 0:48:07.479
<v Speaker 3>on right.

0:48:07.560 --> 0:48:10.359
<v Speaker 1>And of course all of the caveats and uncertainties about

0:48:10.440 --> 0:48:12.880
<v Speaker 1>hystericity remain. We don't know if this was ever like

0:48:13.160 --> 0:48:15.680
<v Speaker 1>really used, or if it was exactly what it was

0:48:15.800 --> 0:48:20.839
<v Speaker 1>used for. I've seen speculation that seems again just total speculation,

0:48:21.000 --> 0:48:24.640
<v Speaker 1>that you could, like, oh, you could transport gunpowder across

0:48:24.680 --> 0:48:27.040
<v Speaker 1>the water without getting it wet by using one of these.

0:48:27.080 --> 0:48:28.520
<v Speaker 1>You know, you could hold it up in the air

0:48:28.600 --> 0:48:31.759
<v Speaker 1>and float across the water. I guess you could do that,

0:48:31.840 --> 0:48:34.279
<v Speaker 1>But then again, you could also probably just use like

0:48:34.320 --> 0:48:38.239
<v Speaker 1>a small raft or boat. So I don't think it's

0:48:38.239 --> 0:48:44.959
<v Speaker 1>fully understood what the alleged benefit of this device as

0:48:45.000 --> 0:48:47.799
<v Speaker 1>described would be. But it does seem to me that

0:48:47.880 --> 0:48:52.480
<v Speaker 1>the floating seat interpretation is more likely what the author

0:48:52.520 --> 0:48:55.520
<v Speaker 1>intended than the footwear and interpretation.

0:48:56.160 --> 0:48:59.160
<v Speaker 3>I mean, we mentioned that it's important for a shnobi

0:48:59.200 --> 0:49:03.080
<v Speaker 3>operative to potentially become part of the community open up

0:49:03.080 --> 0:49:07.320
<v Speaker 3>a business. What if that business was essentially tubing, providing

0:49:07.680 --> 0:49:12.000
<v Speaker 3>inflatable circular devices for tourists to float from point a

0:49:12.080 --> 0:49:14.920
<v Speaker 3>to point B down a river, you know, at leisure,

0:49:15.280 --> 0:49:18.000
<v Speaker 3>perhaps while enjoying a beverage. It might give you the

0:49:18.040 --> 0:49:18.640
<v Speaker 3>cover you need.

0:49:19.480 --> 0:49:22.239
<v Speaker 1>Okay, well, maybe we have to call it for part

0:49:22.360 --> 0:49:25.960
<v Speaker 1>three here, but we've got more alleged ninja techniques and

0:49:26.080 --> 0:49:28.600
<v Speaker 1>anecdotes to talk about in the next episode.

0:49:28.840 --> 0:49:31.279
<v Speaker 3>That's right, we'll be back and we'll cover We'll cover

0:49:31.680 --> 0:49:34.160
<v Speaker 3>some big ones. If you're wondering why didn't they talk

0:49:34.160 --> 0:49:36.799
<v Speaker 3>about X, Y or Z, we'll hold on for the

0:49:36.840 --> 0:49:39.440
<v Speaker 3>next episode, but still in the meantime, go ahead right

0:49:39.480 --> 0:49:43.319
<v Speaker 3>into us because everything is fair at game here. If

0:49:43.360 --> 0:49:50.359
<v Speaker 3>you have thoughts about ninja lore, ninja history, various shnobi activities,

0:49:50.480 --> 0:49:54.680
<v Speaker 3>either in the history books or on the big screen. Yeah,

0:49:54.719 --> 0:49:56.560
<v Speaker 3>it's all fair game right in. We'd love to hear

0:49:56.600 --> 0:49:59.160
<v Speaker 3>from you. Just a reminder. Stuff to Blow Your Mind

0:49:59.239 --> 0:50:02.000
<v Speaker 3>is primarily a science and culture podcast with core episodes

0:50:02.040 --> 0:50:04.920
<v Speaker 3>and Tuesdays and Thursdays, short form episode on Wednesdays, and

0:50:04.960 --> 0:50:07.480
<v Speaker 3>on Friday's Weird House Cinema that time when we set

0:50:07.480 --> 0:50:10.160
<v Speaker 3>aside most serious concerns to just talk about a weird movie.

0:50:10.520 --> 0:50:13.680
<v Speaker 3>And hey, we'll remind you. If you're on the social media,

0:50:14.200 --> 0:50:16.760
<v Speaker 3>check us out follow us and some of the various

0:50:16.760 --> 0:50:18.840
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0:50:18.920 --> 0:50:23.759
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0:50:23.760 --> 0:50:27.040
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0:50:27.080 --> 0:50:29.879
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0:50:29.880 --> 0:50:31.839
<v Speaker 3>way to keep up with the episodes we're putting out.

0:50:31.880 --> 0:50:34.759
<v Speaker 3>And we also have some amusing videos going up as well,

0:50:35.320 --> 0:50:38.880
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0:50:38.920 --> 0:50:42.200
<v Speaker 1>Thanks as always to our excellent audio producer JJ Posway.

0:50:42.360 --> 0:50:43.880
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0:50:43.960 --> 0:50:46.400
<v Speaker 1>with feedback on this episode or any other, to suggest

0:50:46.400 --> 0:50:48.359
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0:50:48.440 --> 0:50:50.879
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0:50:50.880 --> 0:50:59.560
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0:51:00.080 --> 0:51:03.320
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