Bowling ball angulator and methods of use

摘要: A device for locating bowling ball gripping apertures with respect to a weight block angle inherent that particular and the track of bowler. One embodiment includes curved base portion adapted substantially rest on surface ball, perimeter including degree indicators center hole, at least four indicator arms length measurement indicators, connected extending from portion, two are rotate about portion. Methods both diagnostically measuring location holes drilled relative pin distance positive access point laying out placement an undrilled desired bowler's track. duplicating thumb hole balls, respectively.