This document can be applied universally to a variety of shoes, and can balance the body's (both feet) when walking, improve waist disks and neck disks, etc. do. The weight for the shoes according to the embodiment,'U' shaped bottom portion; A wall portion surrounding the outer edge of the bottom portion; And, connecting the inner edge of the bottom portion, the top of the wall portion, the surface is concave inclined portion; including, characterized in that configured to be seated in the inner space of the shoe corresponding to the lower heel circumference.
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