肌荒れの酷い牛刀の研磨と12000番の切れ味
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Korea's Greatest Sword Master! 50 Years of Mastery in Knife Making – Full Process Revealed
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Wakizashi Sword: Full Build from Start to Finish + Test Cuts
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あなたは私がこれを新品にできるか見たいでしょう？
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DRAW on Metal WITHOUT a Laser!
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Manually repair very rusty Japan's $500 kitchen knife
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Fantastic process of making Japanese swords by Japanese sword masters and apprentices .
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Blackknife Forge Process! Skilled craftsmanship from Kyoto, Japan
11:27