This is one Rabbi you don't want to mess with. His self defense moves against the 'knockout game' are worth taking a look at.

CNN's Brooke Baldwin convinced Don Lemon to take on the role of attacker. Lemon found himself on the potentially painful receiving end of Rabbi Gary Moskowitz, a former NYPD police officer turned martial arts expert who is teaching simple, but effective self-defense moves to people who run the risk of being "sucker punched" and robbed by thieves on the street.

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