Davin turns in another spectacular performance at the 2011 U.S. Open XVI Brazilian Jiu Jitsu Tournament. He takes home the gold in yet another major tournament.
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https://www.youtube.com/watch?v=RKqOtS-EUXM
This move blocks the Berimbolo by dropping the knee so your opponent's head can't pass underneath. Sacramento Brazilian Jiu Jitsu
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https://www.youtube.com/watch?v=6jMzB3Xy9Uo