You will get the same fell in every ball if you have thumb slugs in them. The cover and filling in a ball can have different friction depending on what ball and company, but with slugs you will have the sam kind on plastic in all of you thumbholes. You dont need to have slugs, like if you use tape in the hole.
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I like my coffee black, just like my metal.
What would Chuck Norris do?
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Cute Bunny! copy bunny into sig to help him achieve world domination