Core JKD's Self Defense Scenario 1. Core JKD self defense techniques against a resisting attacker. Ming describes the essential skills required for protection from attack. br br Our self defense training videos can be found here: br Be sure to go to Corejkd.com for our other videos and sign up for our Core JKD newsletter. You'll see articles like "Was Bruce Lee Wrong?" br For more information about our European Headquarters, check out Core JKD.debr br If you are interested in hosting a seminar or becoming an affiliate school or study group in Core JKD, please contact Ming via the Core JKD website at CoreJKD.