History of The First Katana 【Katana Swords】
日本刀はなぜあんなに高価なのか |すごく高い
The First Samurai Sword - Documentary Movies
日本刀の歴史
Namakura Gatana 1917 HD 4K-ish Restoration. Blunt Sword. EARLY or FIRST ANIME. sumerias1
How A Crow Made The First Ever Katana...kinda
How Japanese Masters Turn Sand Into Swords
カタナ対弾丸
これまでに作られた最悪かつ最古の侍の刀 7 本
日本刀各種（歴史と使われ方）
The Entire History of Katana / Samurai Swords
The Entire History of Samurai Sword with Surprising Legend of Katana
Top 6 National Treasure Katanas / History of Japanese Swords
The Secret of Japanese Swords - Science View
See how a Japanese Swordsmith forges a Katana
尋常じゃない動き！武道家の達人が、刀でイグサを切りまくる【ギネス世界記録】
Forging a Katana ( Japanese Samurai Sword )
How Japanese Knives Are Made With Japan's RAREST Steel
The Best Sword "Ookanehira" 【History of Japanese Swords】
I Handed Zatōichi's Katana Cane to a Katana Master and THIS Happened
