I’m a lefty with medium revs and above average ball speed.  I struggled all of last year with over / under ball reactions. I have a new ball driller (who is a regional pro) and he re-vamped my arsenal. He told me that everything I had was basically drilled with a stacked leverage drilling. He suggested I go with these two drillings:

Drilling 1 done on a Rival

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This drilling gives me medium length and a hard arc.

Drilling 2 done on the Momentum.

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This gives me great length and one of the hardest turns into the pocket from any dry boards.

Both drillings has helped me bowl much better than last year.
My question is, aren’t these basically right-handed drillings?
Why would they work for me so well?



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