Martial Arts Self Defense - Koo Self Defense - A Unique Martial Art
公司介紹:
master roger koo created koo self defense in 1992 from a completely different 'out of the box' approach. although he was trained in various martial arts, his unique concept was to develop a training curriculum, not a style based purely on a simple premise: a martial art & self defense training system = extreme physical fitness + devastating power this is what koo self defense represents.