Abstract: A readily removable attachment for a multiple-wheeled conveyance, such as a shopping cart, comprises a flexible sheet having a mounting edge, a substantially smooth first surface designed for contact with the ground, a second wheel-supporting surface adapted to support at least one axially-connected pair of wheels of the conveyance, and a mounting means for releasably securing the flexible sheet at the mounting edge to the conveyance. When not in use, the flexible sheet can be stored by being releasably secured in a non-operational position to the outside of the conveyance, without releasing the mounting means.