| 摘要 |
In one embodiment, an apparatus comprising a housing and a fastener, such as a clip (101, 201) for fastening the apparatus (100, 200) to an article of clothing. The housing (102, 202) has a recess (103, 203) formed therein, such that at least a portion of the fastener is adapted to fit within the recess. The fastener is adapted to travel slidably within the recess (103, 203) between a first position in which the fastener enables the apparatus (100, 200) to be fastened to an external object and a second position in which the fastener is stowed away.
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