BW
They are teaching triangle thumb drilling from what I hear in the IBPSIA HOTS Advanced. A couple of years ago they were making a big deal about it and Mo Pinel and Del Warren were teaching the class. I'll admit I haven't taken the class yet. There are always things to learn. Without taking the class the only thing I can say is use the knowledge I have and drill what I see. Taking the class is on the list of things to do.
Smash49
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www.bowlersslidesock.comStriking Cat Bowling Pro Shop, Duncan Oklahoma! IBPSIA Certified Technician
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