Yeah, my PSO has been trying to get me to go down a similar path. I gave him carte blanche to drill up a ball that he felt would be most beneficial due to my health limitations. He changed my finger pitch by a lot, so that my fingers were more relaxed. Instead of coming out of the ball like I do now, he wanted me to stop my arm as I released the ball. As you suggested, he also me to let the ball do the work.
I tried it for a bit, couldn't get comfortable and went.
My release goes back to the 80's when balls didn't hook out of the box as they do now. This same release barely moved the ball back then for a down and in shot. If you wanted your ball to move, you had to put "stuff" on it.
Now that I'm much older with bad health, it's time to make the change if I want to continue bowling.
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