| 摘要 |
PROBLEM TO BE SOLVED: To promote the blood circulation for health by stimulating the arch of the foot in each step of walking. SOLUTION: A material, in the shape of a circle or the similar shape, which is so thin and hard as not to cause pain on the foot even if a user walks for a long time, is put on the arch of the foot, and a flat rubber band is attached to the material.
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