WEAPONS: KNIFE & GRAPPLING SEMINAR VIDEO W-9 This combo-seminar begins with some outside defensive knife training and contains the unique '3rd Baseman' and 'Grand Canyon' drills. The second part of the video is some unique grappling drills shot in a boxing ring. The tape concludes with some grappling sparring and some 'out take' footage. Please note- this is not a 'Groundfighting vs. Knife' video. Refer to Groundfighting vs. The Armed Assailant for that info.