Sankaku gatame (triangle arm lock) is one of the official 29 grappling techniques of Kodokan Judo. It is one of the nine joint techniques of the Kansetsu waza list, one of the three grappling lists in Judo’s katame waza enumerating 29 grappling techniques. [1] This hold starts from a possition similar to kami-shiho-gatame. Tori... more »