| 摘要 |
A backpack includes a housing, a main zipper assembly, a flap, a zipper, and a movable object. The housing has a bottom panel, a front panel, a back panel, and connecting panels extending between the front and back panels. The main zipper is configured to unzip to permit access to an interior of the housing for removal or insertion of items and to zip to define a volume of the housing. The flap is connected to the housing and positioned in front of the front panel secured by the zipper. The movable object is coupled to the housing and has a stored configuration and a released configuration. In the stored configuration, the movable object is positioned between the flap and the front panel in an enclosed volume. In the released configuration, the movable object is moved out of the stored configuration to extend beyond the enclosed volume.
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