Not "pretty" but these are the grips that work best for me.
Personally, the Model 29 with the stock wood grips is one of the most unpleasant guns to shoot full house .44 Mag from. WAY worse for me than the Super Blackhawk.
Also, the pinkie under grip has been mentioned, and this also works for me, UNTIL you get to the .44Mag level of recoil, then its no longer comfortable.
Its different for everyone.