Sojutsu.Sojutsu is Japanese martial arts with yari launches.
Kobudo Series Owari Kan-ryu sojutsu /the techniques of Spear by Isaburo Kato
Kobudo series - Hozoin ryu takadaha sojutsu ( the techniques of Spear) by Gennai NISHIKAWA
Language : Japanese
Sojutsu is a Bujutsu with the spear (Spear).