| 摘要 |
A back scratching device. The device includes a body having a core and an abrasive contact surface. The body is removably or permanently coupled to a frame by an attachment structure. In some embodiments, the core may be at least substantially formed from a closed-cell material. In some embodiments, the abrasive contact surface is defined by a plurality of fragmented cells and/or surface structures. In some embodiments, the core and/or the contact surface includes a plurality of layers of variable densities and/or impregnated abrasive materials. In some embodiments, the body may be at least generally shaped to correspond to the anatomical regions of the spine. In some embodiments, the vertical dimensions of the body substantially exceed the horizontal dimensions of the body.
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