Rener Gracie -- whose family is credited with creating Brazilian jiu-jitsu -- is teaching cops a new restraint that he says is safer than a chokehold, and he demonstrated on one of our own to hit the point home.
MMA's Rener Gracie Demonstrates Safer 'SafeWrap' Restraining Method on TMZ Staffer
Credit: TMZ
Duration: 03:04s
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