Police Ground Combat DVD by Eric Murray (Preowned) Goshi Yamaguchi and you can practice indoors

and you can practice indoors or out

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Police Ground Combat DVD by Eric Murray (Preowned) Goshi Yamaguchi and you can practice indoorsPolice Ground Combat Tactics is a crash course in the essentials of ground fighting for law enforcement officers, or anyone who wants to learn how to take control of a confrontation on the ground. Because law enforcement officers don't have time to learn a lot of complicated techniques, certified law enforcement instructor Eric Murray has put together a set of skills that wil enable you to quickly learn to gain the superior position and subdue an