I had a chance to throw my Gemstone once before leaving for San Francisco and it seemed like a weak HRG.  I have the pin along side my ring finger and CG stacked, 3 inch pin and 3 oz top.  My Storm Jolt polished was too strong, pin over the bridge and the CG kicked right a little and the Gemstone went almost completely straight and hit very weak.  Is that due to having only half a weight block?

I know I only threw it once and I'll throw it again on Monday, possibly tonight, but I was hoping to get some input from other bowlers who has thrown the Gemstone.

Thanks,



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Nicanor (Ten On The Deck)