I have never done it manually, I usually leave that up to the woman I am with... Then again I never ask for it either. So what I do is show her ass a lot of attention - that way she knows it's cool to go exploring.. I remember the first time my girlfriend got my prostate while she blew me - we were in her parents' condo in Myrtle Beach ... FUCKIN' 'MAZIN.. And when I talk about this stuff on the show NO ONE believes that I allow it to happen. I have no clue why.
But as far as the dude two posts up, I dont think I'll ever be a the level where I'll be using glass on myself.
KUDOS TO PROSTATE PLAY THOUGH!