| 摘要 |
The handle of the tennis racket has a tube (2), made of plastic material, that can turn round its end part (1). The main part (4) of the handle, on which the thumb, index and middle fingers rest, is thicker and wider than its end. The length of the tube is sufficient for the ring finger, the little finger and part of the palm to fit round it. The outer diameter of the tube is equal to the thickness of its main part. A cap (3), fixed to the end of the handle, holds the tube in place.
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