This video illustrates how to use your own hand to help visualize the 90 degree rule when shooting pool and determine where the cue ball and the object ball will go, so you don't scratch. The thumb and forefinger spread out in an "L" shape will effectively predict the directions the cue ball and the object ball will take.
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Billiards & Pool How to Visualize the 90 degree rule in pool
By dmcknight
Nov 28, 2007 10:17 PM
Visualize the 90 degree rule in pool
Click through to watch this video on colostate.edu
External Content
www.engr.colostate.edu
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