The Fighting Knife: The Fairbairn O.S.S. Knife System My Perspective Book by Bill Humphries buy_and_watchnow Contents: Vol 1: Half Guard Chris Pizzo Contents: Vol 1: Half Guard Sweeps 1Position 1: Arm under opponent's armPosition 2: Control ankle with both handsPosition 3: Hook sweepPosition 4: Variation of position 3 sweep to other sidePosition 5: Arm between legs and sweepPosition 6: Variation of position 5 single legPosition 7: Collar around the back and walk aroundPosition 8: Variation of position 7 sweepPosition 9: Leg on shoulder and ways to sweepPosition 10: Variation of position 9 second sweepPosition 11: Variation of position 9 third sweepRecap In his second DVD Juan Hombre teaches the way the Koga School works with the ninja weapons: the ninjato is the first to take an in depth look at the actual fighting system developed for using the knife There have been numerous books