Did Japan have Kiai Jutsu before 20th century? What happened to it today?
I was just googling, and I found some articles on Kiai Jutsu in Japan.
FightingArts.com - Kiai Jutsu: The Shout Used As A Weapon
Kiai-Jutsu | Shuyokan Ryu Martial Arts Center
I assumed that Kihapsul/Kiaijutsu...
