| 摘要 |
A golf swing trainer 10 comprises a golf club 12 and a mat 14. A head 13 of the golf club 12 has an electrically conducting leading edge 16 and an electrically non-conducting/insulating sole 18. When the golf club 12 is swung correctly, at the bottom of the player's swing the leading edge 16 makes an electrical contact between contacts 20a and 20b, which are embedded in the mat 14. The electrical contact between the leading edge 16 and the contacts 20a and 20b completes an electrical circuit and causes an alarm (not shown) to indicate by a sound or light for instance that correct contact has been made and a good swing has been performed.
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