Does anyone know where I can find a site that has pictures of various drilling patterns. I'm trying to learn a little more about how they look and what they do. By pictures, I mean either drawn diagrams or actual pictures of it being done. Thanks.
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When you've moved up, moved back, adjusted left and right, cupped, flattened out, have thrown everyting in your arsenal, and the pins still don't cooperate, just say, "Aw to HELL with it!", and throw the ball!

In addition to Rollrite, all of the Ball Manufactures web sites have diagrams for their own balls plus the length and hook strengths of each layout.

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Lane 1 - The Bowlers Company

Nothing hits as hard as an Uranium

Try the Rotogrip website.  It shows each pin position with a description of how shifting the MB changes the overall reaction.  It has very simple and well organized information.
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LadyW....