Summary: <p>On this weeks episode of Open Mat Radio we have David “Silverfox” Karchmer on the show! In the interview we talk about different competition rule sets and how they impact things like competitor’s mindsets/strategy and the martial art overall. We also talk about how rule sets impact tournament organization and spectators. Silverfox also talks about being a co-head referee of FIVE Grappling, what sets FIVE Grappling apart from other organizations and more!</p>
