Gyaku Jūji-jime (逆十字絞), or gyakujujijime, is a chokehold in judo.
[1] It is one of the twelve constriction techniques of Kodokan Judo in the Shime-waza list.
Danzan Ryu includes this technique in the Shimete list under the name Namijujijime.
Scissoring the hands applies pressure to the carotid arteries reducing blood flow, rapidly resulting in loss of consciousness.
In judo, this technique is always taught under strict supervision and is similarly closely observed by referees in competition.