After winning the All-Japan Weighted Karate Championships in 1978, Ninomiya realized that traditional knockdown karate (like Kyokushin) had a fatal flaw: linear, head-on collision. Two fighters would stand in a phone booth and trade blows until one fell. While effective for toughness, it lacked efficiency.
: Instructions for the one-handed grab ( hiki kuzushi ) and two-handed grab ( hiki mawashi ) to control an opponent. sabakimethodkarateintheinnercirclepdf