3 Defenses vs. the Can Opener Neck Crank Gary Berger 7 years ago 3 great escapes and counters you can use to defend against the dangerous can opener neck crank often used in submission grappling and in MMA to open the guard 490 4 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…