| 摘要 |
A golf-swing-practicing device comprising a flexible shaft having a weight attached to one end of the shaft, the shaft being composed of a composite core member having a plurality of strands twisted around the core, and each of the strands being formed of a plurality of steel wires twisted together. The composite core member includes a flexible core element formed of fibers and a non-flexible core element such as iron arranged in axial end-to-end alignment with each other. The shaft and the weight assembly are provided with a covering of synthetic resin, synthetic rubber or synthetic leather. Through repeated practice, whether indoors or out-of-doors, with use of the device the user can empirically master the various techniques for hitting long shots with a maximum power at impact for hitting the ball with proper timing, and for eliminating wild shots.
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