Learn an effective martial arts system developed by S.I. Karate based in Staten Island, New York. The martial arts system we have developed is based on the fundamentals of Russian Real Hand to Hand Military Combat, RyuKyu Kempo (Okinawan form of Karate), Brazilian JiuJitsu, Sambo and Judo. These skills include different aspects of Punching, Kicking, Throwing, Joint Locking, Ground Grappling,...