it is always a trade-off when you sand a polished ball between length & hook
when you sand it, you will get an early roll, but less hook than the polished
however, it might actually move more (to you) when it sanded because when it is polished it did not have the chance to do so
on a side note, the HDB is the only lane#1 ball that did not fit my game and I ended up giving it away
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