Note that although this has been called “the parallel aim method”, it is actually a plan to bring the edges of the pool balls together...

Pool legend Willie Mosconi described mentally marking a line through the object ball to the pocket. Take this line to the precise center of the pocket (the topmost part of the ball you can see, or its exact geographic center, or its base where it rests on the table), and then…

Build Two Sets of Parallel Billiard Lines

Photo (c) Matt Sherman 2006, licensed to About.com, Inc.