| 摘要 |
MEASURE YOUR SHOT (M.Y.S.) is a methodology and technology of two billiard balls, each ball including nine (9) one quarter inch (¼'') lines scribed 360 degrees, the lines are scaled to diamonds on rails of a billiard table. With the aid of the diamonds and lines it becomes simple for a user and spectators to recognize the type of shot. The training balls provide a tool for improving a user's shot.
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