| 摘要 |
A golf driving parctice device wherein a practice golf ball is anchored to a mat by a tether including first a chain including links of uniform length and weight secured to the mat and, second, a substantially weightless flexible cord connecting the chain to the ball. When driven by a golf club, the practice golf ball assumes a brief substantially unrestricted free flight which is gradually reduced in velocity by the uniformly weighted chain, and then comes to rest before all of the total length of the tether is used. The position and length of displaced tether laying on the mat being indicative of the direction and distance of the simulated flight.
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