| 摘要 |
A racquet identification system for use with at least first and second racquets supported by a multi-racquet support structure. Each of the first and second racquets includes a head portion. The system includes first and second head cards coupled to the head portion of the first and second racquets, respectively. The first and second head cards include first and second bodies and first and second projections extending from the first and second bodies, respectively. The shape of the first body is similar to the shape of the second body. The first body and the first projection define a first orientation. The second body and the second projection define a second orientation. The first and second orientations are different. The first and second racquets have at least one characteristic that varies between the first and second racquets, and the first and second projections are configured to highlight the characteristic.
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