Info about "Do-jime video"
Do-jime (chest compression) is one of the twelve constriction techniques of Kodokan Judo in the Shime-waza list. Do-Jime is one of the four forbidden techniques, Kinshi-waza
Tori is on his back and Uke is between his legs. Tori hooks his feet one against the other behind Uke, and raises his legs so as to bring his knees to the level of Uke’s floating ribs, and then compresses Uke’s upper body as strongly as possible. Tori extends his legs and knees to form a vice.