| 摘要 |
Systems to attach together bags having various types of rolling members are described. In a system for attaching at least two bags, each having at least two spinner wheels, a front face, a back face and a bottom face, the improvement comprising at least one attachment member located on each of the at least two bags for attaching said bags when engaged such that the at least two bags are capable of rolling together. A bag embodying the features of the improvement is described. Different attachment members are described for the system and bag, including magnets, hook-and-loop fasteners, clips, buckles, straps, adhesive tape, hooks and buttons. Different configurations for the attached bags are described, including "front-to-front", "back-to-front" and "side-by-side" configurations. Bags having rolling members other than spinner wheels are described, including ball transfer units and ball bearings.
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