Triangle armlock
Kansetsu-waza · Joint locks · 関節技
Sankaku Gatame (Kansetsu) (Triangle armlock) is a Kodokan judo technique in the Kansetsu-waza (Joint locks) group. Twists or stretches and locks the opponent's elbow joint by holding his neck and arm between both legs and hooking the foot on the back of the other knee while forming a triangular shape.