The Moment of Yakiire quenching. Amazing transformation during Katana making.#hamon #katana #swords
28:05
The Secret of Japanese Swords - Science View
22:04
Katana making Polishing
6:26
Hand-forged katana: Step 5, claying the blade
25:27
How Japanese Masters Turn Sand Into Swords
14:07
The amazing engineering of Japanese swords. Why steel blades can cut through iron? #katana #swords
48:59
the secret world of the japanese swordsmith
10:25
Hamon Basics
16:30