There are 3 separate processes that have to be achieved in order to drill a ball for a bowler. F...
Milling machine / Drill press - Make sure it's clean when you start the job and that the pitches ...
Step by step instructions on how to drill the holes in a bowling ball
1) Draw centre line and midline of grip 2) Dividing the span of the middle finger in h...
1 1) Draw center line and midline of grip 2) Dividing the span of the middle finger in ...
