i didnt use tape for many years. i guess i didnt know the difference
had 20+ honor scores over those 15 or so years
decided i wanted to get better, bowl on tougher patterns, etc
lead to lessons, better fundamentals, grip change and also learning how tape thumbhole.
i had never done it before.
thought process taught to me by a gold level coach - any flexing of the thumb towards the pad causes the knuckle or joint to get wider in the thumbhole, if you can keep the thumb straight and relaxed, theoretically, it will come off the same every time.
i use layering, 1 full piece and several half pieces placed on top of each other lower in the hole to basically almost have my thumbnail touching the back side of the hole
this took some doing to get it to feel right.
it doesnt mean i still dont want to grab it sometimes, but when its right, it comes off so nice.
if i can get the ball through the heads and get it to roll properly, there is a huge difference in my game and scores.
based on this experience and the coaching i have had, i think its a large overlooked part of the game. proper taping of your thumbhole
just my .02$ worth