Below you can watch what happened when former UFC heavyweight champion Brock Lesnar demonstrated the Achilles Lock and Heel Hook on comedian Jim Norton during a visit to The Opie And Anthony Show.

Lesnar is currently on a media tour promoting both his new biography and his coaching role in The Ultimate Fighter 13 which begins airing later tonight on Spike TV.

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Ross launched MMA Insight (previously in 2009 as a way to channel his passion for the sport of mixed martial arts. He's since penned countless news stories and live fight reports along with dozens of feature articles as the lead writer for the site, reaching millions of fans in the process.