| 摘要 |
<p>The present invention relates to a back exercise auxiliary tool which cures the vertebra by being put on the bottom surface and relaxing the backbone by pressing the back of a user. The back exercise auxiliary tool includes a tool body (10) which is molded by foaming a polyolefin foaming material and has a rod shape and a outer cover (20) which covers and protects the tool body (10).</p> |
