In this video Josh demonstrates what is known as a double wrist lock in catch-as-catch-can wrestling, and Kimura in Jiu-Jitsu.
For more information on Josh, a breakdown of this move, others demonstrated by him, more great techniques from other high level practitioners, news, product reviews, nutritional advice, conditioning programs, supplements information, and more check out issue #32 of Jiu-Jitsu Magazine. Be sure to get your subscription today at http://jiujitsumag.com/.