8 Ball Pool Ruler [TRUSTED]
The most difficult skill in pool is visualizing the contact point. To sink a ball, you must send the cue ball to a specific point on the object ball. Using a ruler, you place the straightedge along the line from the pocket through the center of the object ball. The ruler’s edge will point directly to where the cue ball must strike.
A cue, a table, a 12-inch clear plastic ruler (or a laser level). 8 ball pool ruler