3 CLOSED GUARD: Cross Collar Choke to Armbar to Criss Cross Armbar with Professor Greg Walker Gary Berger 8 years ago 0:40 Cross Collar Choke / 1:15 Armbar / 2:23 Criss Cross Armbar Professor Greg Walker is a Brazilian Jiu Jitsu Black Belt under Gustavo Machado and teaches at the UFC Gym Norfolk, VA. 457 5 Username or Email Password Remember Me {{#message}}{{{message}}}{{/message}}{{^message}}Your submission failed. The server responded with {{status_text}} (code {{status_code}}). Please contact the developer of this form processor to improve this message. Learn More{{/message}}{{#message}}{{{message}}}{{/message}}{{^message}}It appears your submission was successful. Even though the server responded OK, it is possible the submission was not processed. Please contact the developer of this form processor to improve this message. Learn More{{/message}}Submitting…