I have put vinyl slugs in my last 2 balls and i have been having a problem of consistantly getting my thumb out of the ball. I dont grip the ball with my thumb so i know that isnt the problem. I was wondering if any one has had experiences with both and had any suggestions.

The vinyl slugs are usually very smooth.  It can create suction, especially if it's a little snug or fits well.  The urethane slugs allow your thumb to breathe just a little more, I believe, but I don't know that the difference is really noticeable unless the thumbhole is sanded with some rough sandpaper to allow more air in and out.
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I use vinyl slugs and my driller always fits the thumb a bit too snug for me.  After a little bit my thumb swells and it sticks in the ball.  Both houses I have bowled at have something like a Dremel tool with a sanding disc that evenly removes a bit of the slug.  Its worked for me very well.

Thanks Davy. I'll try a dull bevel knife and see if that helps. When I think of it, it makes sense with the slugs being soft, a sharp knife is too sharp and a dull knife won't cut so fast.


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In the old days, they used axes to chop up wood...Nowadays, they use "BUZZSAWS".