Practical Karate Book 4: Against Armed Assailants by Masatoshi Nakayama & Donn Draeger (Preowned) Tadayuki Sato This has been proven in

This has been proven in the DVDs before

Back take from deep half guard

and semi automatic shotguns

Cangelosi presents an in-depth study of the Kow Loon Tit Kiu ("Nine Dragon Iron Bridges")

one of the first mixed martial arts

Practical Karate Book 4: Against Armed Assailants by Masatoshi Nakayama & Donn Draeger (Preowned) Tadayuki Sato This has been proven inPractical Karate by Nakayama and Draeger outline self defense, protection and survival in various real world situations. The [ten] Essential Points repeated thru out the first book are a well organized and presented plan [from large to small scale] with clear writing and photos to present sharp Practical Karate methods. One of Nakayama's and Draeger's main concerns was to really present methods that made good practical sense learnable and effective