I've had that problem for all my bowling years. Just recently, my coach met with the MoRich guys and introduced him to the "Claw Grip." I used to have a wide span, fingers pitched slightly away, and the thumb thrown back about a quarter. With the claw grip, my span has shrunk by just under an inch. When I heard abuot this, I thought my coach was crazy, but then I tried it, IT'S INCREDIBLE. I'm not up on all the techincal terms and all that, but I was given an excellent anology. Most people would think that a smaller grip would cause you to squeeze more. Look at it this way. Take a softball in one hand, and a baseball in another. Hold your hands out to your sides. What ball are you going to squeeze more? You'll squeeze the softball because the grip is wider. The baseball is smaller and comfortable because it just sits in your hand. I know that this doesn't work for everyone, but it has helped me considerably. My spares have improved, and I even added a few revs. I still "grab" occassionally, but not as much as I used to.
Hope it works...........
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I thought all you had to do was stand left and throw it right??