Personally, I think it would be a waste to drill an x-factor conventionally.

But like windoor said, you should be able to watch them bowl and get a judgement of how to drill it.
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ANDY
There is doing in not doing what you weren't doing but doing in what you weren't doing to do what you were doing but not doing and doing as well

So don't do it!

Go with a basic drill, like label or something else.  You could just put the pin beside the ring finger, and put the MB somewhere right of the thumb.  Nothing fancy.  Or, if they want more of a snap put the pin above, if they want an arc, put it below and go from there.  

Don't worry about the PAP, just lay it like it was for someone who is average in everything (track, revs, speed), so if they are a stroker or a cranker they can still use it.
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This space for rent...........call 555-2557

Edited on 10/10/2004 8:09 PM

thanks