The invention relates to a device making it possible to make a part of the sole of a shoe slippery, worn by a person with reduced mobility who cannot lift the foot. It consists of a sliding device covering the underside of the sole of a shoe. and its vertical edges on the front part of a quarter of the total length of the sole. It allows advancement of the paralyzed foot dragging on the ground during the first part of the step and facilitates its movement forward during the second part. The device according to the invention is particularly intended to help walking people who cannot lift the foot and drag it on the ground.
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