| 摘要 |
Systems and methods comprising a portable packing apparatus comprising a first tracking element and a second tracking element, and a holster adapted to be slidably disposed on the first tracking element and second tracking element of the portable tracking apparatus. The holster has a variety of positions, in which the holster slides along at least one of the first tracking element and the second tracking element to move from a first position to a second position. The second position may be set according to a user preference. The holster may be adapted to holster a liquid container.
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