Krav Maga Principles are already set! They do not side with keeping adding techniques without , understanding the principles and teaching them! It is futile anyway if you do not understand the principles of Krav Maga. What it is Krav Maga is the most efficient Reality Based Self Defense Training System.
Most of the other sports have competition rules that drive the respective system to victory on the matt leaving the lethal elements neglected. If you take Hollywood movies portraying people facing danger and overcoming it and compare it to sports martial arts, you will find many differences. Much less drama, and more reality based competition. However, if you compare both Hollywood and Sports Martial Arts to real self defense Training system the picture would be very different!
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