win a ball from Bowling.com

Author Topic: Double Thumb  (Read 1204 times)

Pdiddy

  • Hero Member
  • *****
  • Posts: 704
Double Thumb
« on: March 26, 2009, 10:47:57 AM »
Maybe this is a easy question to answer.

Do you need a ball with a marked MB for this drilling, or can you use any ball once you find the drilling angles