| 摘要 |
The invention is imprinting a selected shape onto a golf ball in a repeating and symmetrical arrangement to form at least one perceptible contrasting pattern upon viewing any part of the ball's surface. This improvement is based on an application of findings in the sciences of visual perception and human engineering. The function of contrasting patterns is to hold a golfer's focus on a golf ball through impact. Since the innovation does not violate any rule of golf (USGA or R&A), a golfer's concentration and ball striking ability will be enhanced for all shots in all playing situations.
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