quote:

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tracking is relitave to the oil track to your fingers/thumb, the closer it is to the fingers/thumb the higher your considered to track and vise versa, so your oil tracks are relitavly far from your fingers. and the spin thing can be 1 of 2 things or both. first is the way you throw it, if you stay in the ball to long, your fingers and thumb tend to come out at the same time, and that often causes you to come over the top of the ball hence spinning it. or your ball could go spining down the lane, like a top. or it could be a combo of both.
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While interviewing an anonymous U.S. Special Forces Sniper on his skills, a Reuters News agent asked the soldier what he felt when shooting members of Al Qaeda in Afghanistan and Iraq.  The soldier shrugged and replied "Recoil".
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If guns kill people then spoons made Rosie O'Donnell fat!
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Some people are like Slinkies....
Not really good for anything, but they still bring a smile
to your face... when you push one down a flight of stairs.

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so if the ball goes spining down the lane like a "top" would you see the fingergrips (if you can see them) facing towards the ceiling? because if you would see that, i dont think i have it measured right..
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-Brian