| 摘要 |
A device for aiding in practicing of a golf stroke. A first adjustable signal means produces a first delayed sensible signal at a selectable first time period after the beginning of the backstroke, and a second adjustable signal means produces a second delayed sensible signal at an independently selectable second time period after the first delayed sensible signal. The first time period is adjusted or selected to correspond to the duration of the backswing for the individual golfer, while the second time period is selected to correspond to the duration of the downstroke until contact with the ball.
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