I used a Robby's Rev 1 for about 3 years and over 1000 games. It broke so I got an exact replacement. The new one never feels right: had to grind it so the cupping adj tab could go down and lock; then I cannot get a clean release almost half of the time.

 

I do not have the old one to compare but I notice the new one would force my hand into a 90 deg. angle during release no matter how I adj it. Consequently sometimes my hand may be even somewhat on top of the ball.

 

I would like to try other models like the Moro Pro-Release or the Brunswick PowerKoil but my "main concern" is getting a consistant "clean" release. Thanks!

I have tried many different support/positioners over the past 15 years since I had a major wrsit injury. My favorite is the Moro Extended Pro-Release. It makes it easy and quick to adjust, especially just a quick "flip" of the adjustment bar to easily allow "flattening" to "kill" a shot, as in shooting single pin spares. Also the availability of extra pads that do tend to wear out. I replace mine about every season and a half, bowling 2 - 3 leagues a week.

I used the Moro Extended for several years until 3 years ago at which time for what ever reason I began using a Robby Revs II. Also have used a Striker some the past year. About 3 months ago I went back to a wrist device I used for several years in the 1990's and my bowling release is much better with it as well as my scoring is also up with it. It is not adjustable and really locks up your wrist and that works really great for me....It is a Robbys Gladiator. The steel backing in it is removable. I took mine out in the 1990's to bend it something like approx 10-15 degrees or so to give me a little bit of wrist cup and put it back in. Still that way today. here is what one looks like.

 

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"Whenever I feel the urge to exercise I lie down until the feeling passes away."

Brick