Vise Grips P/O Power Lift/Oval Bowling Finger Inserts Choose Sizes and Colors | eBay
Inserts too big? (Two handed style) I heard you only want your first knuckle of your fingers to be inserted. When bowling two Handed but mine don't get “stuck” in the ball.
Key Factors for Proper Bowling Ball Grip Pressure | National Bowling Academy
How to Remove Finger Inserts From a Bowling Ball - BowlVersity Video by bowlingball.com - YouTube