Knife fighting, Street fighting, Prison fighting or Gang warfare in the American Society is different than anywhere in the world. If you want to survive on U.S. soil then get this book. If you are teaching martial arts in the U.S.A. then you must read this book. Advanced Level A must Read.
Knife fighting, Street fighting, Prison fighting or Gang warfare in the American Society is different than anywhere in the world. If you want to survi...
