This article is from the Pool & Billiards FAQ, by Bob Jewett with numerous contributions by others.
The *exact* rules for games of the BCA are copyrighted, and should not
be reproduced in electronic form without permission. See below for
information on ordering copies and the World Pool-Billiard Association's
site at http://www.wpa-pool.com/rules.htm
In almost every pool game, a shot that does not pocket a ball is
required to have at least one ball contact a rail after the cue ball
contacts a ball.
 
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