What I'd do is find an mixed martial art school with an open mat practice night (this should be easy enough to do in the bay - lots of boxing gyms and kungfu training halls, too) and ask if you can play.
A word to the wise: those who consider fighting a fun hobby tend to be pretty good at it.
― Austin Still (Austin, Still), Thursday, 8 September 2005 12:50 (twenty years ago)