| 摘要 |
A grasping power enhancer comprising the reinforcement plate in the guide groove is provided, which enables to perform breast exercise for a long term. A grasping power enhancer comprising the reinforcement plate in the guide groove comprises: a body substrate(1); a plurality of springs(10,10') connecting support stands(8,8') and handles(9,9') to the body substrate; a feeder groove(3) comprised in front-and-back side boards(2,2') of substrate; a fixing part(5) fixing the guidance axis both ends to the guide groove; a guide groove which is formed of projection; and a reinforcement plate(11) adhered to the front-and-back side board inner surface.
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