How hard is Hamon of Japanese sword? #hamon #katana #experiment
19:15
UNBREAKABLE KATANA!?! Did we discover ENMA from One Piece?!?
14:32
The TANTO, Sidearm of the Samurai [What You NEED To Know]
22:45
Master Japanese Sword Polisher: Abe Kazunori 日本刀研師マイスター
14:07
The amazing engineering of Japanese swords. Why steel blades can cut through iron? #katana #swords
39:30
Where You Can Become an Apprentice of a Katana Swordsmith for a Day
10:25
Hamon Basics
13:26
The Samurai sword of battle was NOT THE KATANA!
18:22