| 摘要 |
PROBLEM TO BE SOLVED: To provide a tread base capable of stimulating the soles by brushes by pressing acupoints on the soles by a small number of projection rods. SOLUTION: Two or more projection rods 21, 22, 23 and 24 are erected on the bottom plate 1 of a base comprised of a square outer frame formed of two side plates 41 and 41 and two sleeve plate 51 and 52 and a bottom plate 1 and splits in the centers of scrubbing brushes 31, 32, 33 and 34 are inserted into the projection rods and fixed.
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