The Jeet Kune Do Archives Book by Jose Fraguas Indonesian Main principles of knife self defenseKnife Volume 2 Gosoku Ryu Main principles of knife self defenseKnife Disarming Techniques using a lever and the 3 planes conceptTurning a knife against an opponentBody integration into the knife's planeKnife threats to arteries and neckThe threat of a knife from behindKnocking a knife out of the opponent's handPsycho energetic impact to the opponent's central nervous systemThe threat of a knife in everyday life and television appearances to facilitate its widespread adoption and further development and the constant flow of information and conversation from a previous period