| 摘要 |
PROBLEM TO BE SOLVED: To provide a stimulator linking a plurality of projections such as balls and sticks to be spread under the buttocks for stimulating the muscles of the buttocks and the sacrums by body pressures. SOLUTION: In this stimulator, a ball (1) bored with a hole for passing a thin string on the center and a thin stick (2) bored with holes for passing thin strings at two spots on the center are linked through a thin string (3) and a stimulus to be originally felt as a pain by a plurality of balls and sticks is dispersed by the body pressures applied to the buttocks, and converted to comfort. In this stimulator, the projections, with which such comfort can be felt only by placing under the buttocks, namely, a plurality of balls and sticks arrayed at intervals while having suitable sizes are suitably engaged into muscles by body pressures and stimuli are created. A plurality of such arrayed balls and sticks are combined.
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