| 摘要 |
A weighted object has a shaft engagement member having a grip end, a head end, an interior, and an exterior. The engagement member has a channel integral to the engagement member. The channel is disposed within the interior of the engagement member and the channel spans between the grip end and the head end. The shaft engagement member has a slot integral to the engagement member spanning from an open end adjacent to the exterior and a channel end adjacent to the interior.
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