This an awesome Video.

This is the "glue" which holds together the other parts of the JKD program... Bruce Lee loved it! Sifu Numrich teaches the why, how, and when of this Wing Chun technique, and the reason why it serves JKD practitioners

Navy Seal instructor Paul Vunak teaches you how to beat your attacker if ever he blocks one of your attacks

Dan Inosanto, one of Bruce Lee's first students demonstrates techniques how to defend against knife attacks with empty hands