http://evolve-university.com Evolve University is the largest world championship online university for martial arts. In this video, Brazilian Jiu-Jitsu World Championship Silver Medalist Thiago "Guli" Kozama from the Evolve Fight Team demonstrates 5 wrist lock submission variations. With World Champions in Muay Thai, Brazilian Jiu-Jitsu, Mixed Martial Arts, Boxing, Submission Grappling, Wrestling, and more, Evolve University is one of the most comprehensive mixed martial arts universities in the world. For more video tutorials by World Champions, please go to http://www.evolve-university.com In viewing this video, you agree to the following Legal Disclaimer in this link http://evolve-university.com/legal-disclaimer.html Participation in the activities and the use of the services offered by Evolve naturally involves the risk of injury to you or your guest(s), whether caused by you or someone else. Specific risks vary from one activity to another and the risks range from minor injuri