My Personal philosophy in Ninjutsu practice, 2nd Q&A Hamburg seminar with Yossi Sheriff
Channel: AKBAN
Date: 13/04/2015

Yossi Sheriff answers a direct question about his philosophy in Martial arts. 
At the 1st. AKBAN seminar at the Hamburg Ninjutsu Akademie under Yakov Schacht
See more at 
http://www.akban.org/wiki/1st_AKBAN_Seminar_at_Ninjutsu_Akademie_Hamburg