Obviously, polishing a ball with a spinner is better, that's what a spinner is for. However, for those of us without spinners, is it actually worthwhile to polish a ball by hand?
For example, if a spinner does a polish job 100%, does a "hand job" (no comments, please) provide 50% or 25% or only 10% or what?
If a hand polish job only does a minuscule amount of good, it certainly is not worth the effort.
What say you experts?
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Never take a sleeping pill and a laxative on the same night.