| 摘要 |
A golf tee-accessory assembly for positioning a golf ball at a predetermined height, comprising a golf tee, the golf tee having upper and lower ends and a shaft of substantially uniform diameter connecting the ends, the upper end having a cup of a substantially uniform diameter for receiving a golf ball, the lower end being tapered for insertion into a playing surface; and a hollow, cylindrical sleeve member mounted on and surrounding an upper portion of the shaft of the tee, the sleeve member having a diameter and wall thickness providing, at the lower end of the sleeve, a ground-engaging surface surrounding the shaft of the tee for limiting the depth by which the lower end of the tee's shaft penetrates the ground.
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