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Author Topic: Thumb Inserts  (Read 2208 times)

Twill

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Thumb Inserts
« on: July 23, 2006, 11:45:08 AM »
Hello,

I'm just starting to get serious about my bowling and just bought an Action. I am curious about a thumb insert. Currently, without a thumb insert my thumb is getting sore. Is a thumb insert more comfortable? Does it help control your release. The hole I have drilled now seems to be the right size, so I do not think that is the problem. Any help is appreciated. Thanks.
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Noy

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Re: Thumb Inserts
« Reply #1 on: July 24, 2006, 02:09:57 AM »
Well, there are differences...there's a Thumb "slug" and a thumb "insert."  Thumb inserts are prefitted like finger grips and arent really that versatile in terms of customization for a good thumb fit.  A thumb slug on the other hand is custom drilled and fitted to conform to your thumb.

The purpose of both is to keep the feel consistant throughout the entire thumb.  There are different layers and materials in bowling balls and without a thumb insert/slug, you'll feel all of them.  Some layers may be rough, while others are smooth.

I suggest going with a thumb slug, you'll really feel the difference.  The only time I wouldn't put a slug in a ball is if it was a plastic ball since they're pretty much the same material throughout the ball.
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dizzyfugu

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Re: Thumb Inserts
« Reply #2 on: July 24, 2006, 02:35:26 AM »
I made the step from non-slug to thumb slug almost 2 years ago, and it was a progress for me. The only ball without a thumb insert is my polyesters right now. and I keep it this way because of the familiar feeling.
I prefer urethane slugs, which are quite hard. I have also tried softer vinyl material, but that was an ugly thing. The urethane stuff can be easily adjusted with a file or sandpaper, and it give good adhesion to tape. I also prefer white thumb inserts because the help me watch the ball's lane reaction, when it migrates towards its PSA.

The biggest benefit I see with a thumb insert is taht you have a material base that offers the same grip in any ball you have - as long as you keep it consitently. Unless you use molded thumb inserts, the balls might still feel a little different each, since not every ball can be drilled and prepped exactly the same. But the differences from "pure" holes is quite big, IMHO, and the feeling when switching between them is far better.
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