Self-mastery, you might want to talk to Ari or Patrick directly. I'm a TNC grind but now as I hit more down on the ball I think I could play the SFU. I've got a EGG 60* and it's so easy to lay the blade open and lob it on any surface including tight lies. I use that club for just about every pitch or bunker shot 60yds and in. IMO those grinds really do make a difference.
I tore up a high-bounce Vokey trying to hit golf balls off of the pavement like Stan Utley demonstrates. Needless to say I couldn't do it but I was trying to do it for fun. Someone over at GolfWRX posted that Stan doesn't play a stock Vokey but instead has a custom grind on this wedge (don't remember which.) With the grind on my 60* I can get the ball in the air with ease off the hard pack ground though I haven't tried it off the concrete.
*** prior to getting the Scratch wedges, nothing good ever resulted in me opening the blade on a wedge shot. It was an almost guaranteed wasted shot. The grind made a difference for me. Obviously practice and experience helped too but the grind did wonders...
