Kata ha jime

Kata-Ha-Jime (片羽絞), also spelled Katahajime, is a chokehold in judo. It is one of the twelve constriction techniques of Kodokan Judo in the Shime-waza list.

Description
Kataha jime uses the lapel of the judo uniform to exert pressure on the carotid arteries (minimal pressure also being applied to the windpipe). The opponent's left arm is lifted and controlled as part of the technique.