I have tried the others, such as the Storm Gadget, and the like but just don't like their "bulk".
Those with the extended finger tend to help the bowler rotate the hand more, so if you're wanting more side roll you might try that type first. Otherwise most of our customers prefer the the ones with out the finger extension for comfort and ease of picking up their ball off the rack, etc.
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Lane Carter, Strike Zone Pro Shops - Salt Lake City, Utah
Brunswick Amateur Staff