| 摘要 |
An apparatus including a first tee, a second tee, and a device to which the first tee and the second tee are attached, and so that the first tee is spaced apart from the second tee. The first and the second tee may be permanently attached to the device. The first and the second tee may, alternatively, be attached or detached from the device. The device have a plurality of openings, wherein each of the first and the second tee can be inserted through each of the plurality of openings to attach each of the first tee and the second tee to the device. Each of the plurality of openings may have one or more flaps which bend to allow the first or the second tee to be inserted into each of the plurality of openings to attach the first or the second tee to the device.
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