| 摘要 |
A mid-sole or sole of shoes for massaging the sole of a foot by stimulating it during walking includes recess portions on the upper surface of a bottom plate defined by a wall portion, a plurality of blades in the recess portions extending in a direction perpendicular to the longitudinal direction of the bottom plate and being slanted in the same direction, a flexible cover sealed at the peripheral end portion of the upper surface of the bottom plate, and liquid injected and filled in the space provided between the bottom plate and the cover.
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