I just came home today from working two hours with Bill hall
and must say that he is the best coach i have ever worked with.
I learned more in two hours about rythem, timing, and a couple of
pro tricks you will not hear about unless you work with a coach of
his caliber. If you ever have a chance to work with Bill spend the money
forget that new ball and just watch your timing,accuracy and revs increase.
I am going to get one more session before he leaves town for more clinics, he is one of the nicest,brightest men i have met in a long while. He wants to help fellow bowlers and work with your game and not make it his game, which in my past experiences coaches have tried to do with my game.

I paid for some coaching about 3 months ago and it was the best money I ever spent.  The coach worked with my style and fixed a problem with my release that I was trying to get rid of for months.   The first 3 weeks after the coaching sessions my game went into the tank because I was not comfortable with the changes that were made to my stance, etc..  Now I am getting more leverage on the ball and throwing 660+ series with regularity.
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You will not see me on the PBA Tour, but I love the game!!!