| 摘要 |
A pin for playing ninepins or for bowling is provided. The base portion of the pin is detachable from the pin body and is replaceable. The base portion comprises a material that is more robust, wear resistant and/or has a higher resistance to scoring than does the remainder of the pin. The base portion can be provided with a reinforcement. The base portion has an annular support surface with at least one radially extending notch, a sharp inner edge, and high static friction to effect an improved ground adhesion.
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