| 摘要 |
Pool cue systems are disclosed which include at least one graphical icon on the pool cue shaft adapted to be observed with the shooter's peripheral vision while shooting pool. The icons are preferably aligned along the length of the pool cue shaft at predetermined distances indicative of game parameters such as stroke lengths, bridge hand locations, or stroke speed indicator lengths. The icons are adapted to enable easy peripheral observation of pool cue stick motion, including 3-axis rotations, while shooting pool with the eyes focused on an object billiard ball. The icons may additionally indicate physical properties of the pool cue shaft. The icons may additionally have decorative or commercial uses. In some embodiments, an icon location may be adjustable between two or more predetermined distances.
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