I have a power groove reactive purple teal sanded that was polished up to 1000 then 2000 grit right after drilling, and i use the ball on EVERY shot i throw on. It is versitile, it is the ball i both start with and finish with. I am a cranker, ball speed about 17-19 and play between the second and third arrow out to 3-5 board through the pocket. when it dries out, i just take hand out of it and straighten up my shot.
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I am the official PRINCIPAL of the NU SKOOL. In my skool, all pupils will throw OLD SKOOL equipment. One may have a new ball or two, but the primary ball must be OLD SKOOL. Newer is not always better.