Koga Yamabushi: Dux Ryu seminar, Shidoshi Frank Dux "ninjutsu"

Shidoshi Frank Dux is teaching a seminar in the noble art of Dux Ryu Ninjutsu, he is demonstrating some "tai jitsu" or : hand to hand combat selfdefense skills. Hanshi Frank Dux is a master of the Koga Yamabushi Ryu Ninjutsu system and was also the inspiration to the movie bloodsport with Jean Claude van Damme.