i use the vise half sizes and love them. They make any kind of grip that you like the smooth oval the semi oval the power lift the blended lift the bubble grip they make em all and are very high quality. Ask your local proshop to get them for you. if they wont you can get them thru buddiesproshop.com
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Boy do I love bowling, stone 8,stone 9, ringer 7,fly by 10,fast six got to love this game. Short look at what most of my games look like with a few strikes peppered in between. Isn't it wonderful.