I only keep my thumb and index finger on the grip, with the grip settled into that soft spot between them. The other 3 fingers hang loose, habit I picked up when I was shooting recurves. If you keep your entire hand around the grip, you will likely torque the bow side to side or up and down just a hair when you release, and not notice it.

You should have that one spot on your jaw where you come back to every time to anchor your hand on draw. Focus on keeping your knuckle buried into the jaw when you release.

Focus on small things. I know plenty of good shots with field tips who still manage to do the small things wrong. I was working with a young cousin who's a first-time shooter and that's all I told him to do, focus on grip and release. Then we'll worry about sighting in his bow and adding draw weight.

Rev, your website was super informative. I use a high grip with no consistency problems at all (lots of practice and repetition). Because of that I never thought about why so many people hate Mathews grips. Learn somethin every day