i use a very aggressive ball for my spares ( all of them )( morich total shock and awe ), BUT..............its one pound lighter than the rest of my equiptment, and i have complete control of it and confidence in every spare i go after.
i just flatten out my wrist and come right up the back for my 10 pins, and it works for me
if i have 4 opens in a night its a bad night for me ( 3 game set )
jmo
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member : F.O.S.
any buzzsaw is better than no buzzsaw