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MarkGenco JJLifestyle 3of4

Observing the Grip with Professor Mark • 4m 54s

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  • MarkGenco JJLifestyle 4of4

    In the final part of the series we get some last words of wisdom from Professor Mark and get to watch him roll some more! Professor Steve and Professor Mark put the final touches on the grip fighting concept and their ideas about Jiu-Jitsu. We hope you enjoy learning from Professor Mark as much a...