It's more or less plain resin, a variation of PK 18, so use a nylon pad on it. I'd guess a grey one (it's around 1000 grit) should do fine; use just enough pressure to take most of the shine off, but not enough to truly dull the whole ball. Better just a little at a time than to go past the proper point for what you need. Take the pad to bowling practice so you can haze it a little more, if needs be, assuming you're practicing on a condition similar to what you're bowling on.

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"Just because you can do something does not mean you should do it."

Edited on 10/31/2003 1:33 PM