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２ｋｇ超えの特殊な形状の日本刀で藁何本斬れるか！？
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I Made the Cane Sword From The King's Man
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How Japanese Longbows Are Made! Watch This Master Craftsman Make Giant Bamboo Longbows From Scratch.
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Divine work！The samurai who cut the speed of sound【Machii Isao】Iaido
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