Hey fellas, You got it 47MartialMan. Hapkido in many ways is a reorganization of JJ techniques. In fact my training partner and I work with a JJ master two nights a weeks in addition to our other training. Obviosly the Koreans say "we showed those techniques to the Japanese through a diplomatic convoy in the 700's AD" But that discussion could go on of forever since many of the techniques of JJ are in Tai Chi Shaoi Chou, Ninjitsu and many other arts that are either older or about the same time as JJ. Many of the bone breaking techniques of JJ like most marial arts probably developed simultaneously among different cultures. In addition to the joint and bone technique Hapkido employs falling skills, kicks (including demonstration type kicks throws, and breathing excercises. Do you train Jiu Jistu 47MM? Our JJ master told us that traditionally JJ students learn locks by body part, i.e. fingers, then arm, then shoulder, etc Has this been your experience? I'd like to hear more about your practice Take it easy, Hapkido Haksang