| 摘要 |
<p>A harness system (20) comprising an endless loop (10) of material and a harness for holding a person in fixed position with respect to the endless loop of material. In use, the harness system is fitted around a mattress with the harness located on a sleeping face of the mattress. Upon revolution of the endless loop with respect to the mattress, the location of the harness on the sleeping face is adjusted.</p> |
