Often called the wall survival drill. In 4D we subvert that and make it all attack. Never passive and always active that's what makes a 4D fighter so much more dangerous. Simpler and more focused. There's a special way to learn this so you're always calm, always hunting. Go to bobbreen.com and check out the 4D online. JKD and Kali with a functional focus.
5 авг 2021
