| 摘要 |
A weighting device for use on an athletic ball striker as during handle swinging of the striker comprising a receptacle having an opening via which the ball striking portion is received into the receptacle, with the handle projecting from the receptacle, a retainer carried on the receptacle to be fastened in a position for retaining the receptacle in generally enclosing relation to the ball striking portion, and weighting structure carried by the receptacle to add substantial weight to the striker for use as in striker practice swinging, the retainer including a foldable flap that retains the receptacle to the striker during such practice swinging, the striking may for example comprise a baseball bat, or a tennis racket.
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