| CPC A61G 7/001 (2013.01) [A61G 7/1023 (2013.01); A61G 7/1026 (2013.01); A61G 7/1057 (2013.01)] | 20 Claims |

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1. An apparatus comprising:
a sheet having a top surface, a bottom surface, a first lateral side, a second lateral side, a first longitudinal side contiguous with the first lateral side and the second lateral side, and a second longitudinal side contiguous with the first lateral side and the second lateral side;
a first strap coupled to the sheet proximate the first lateral side;
a second strap coupled to the sheet proximate the second lateral side, and longitudinally offset from the first strap; and
an opening in the sheet, the sheet extending entirely around the opening, the opening disposed between the first lateral side and the second lateral side, and the opening centered between the first longitudinal side and the second longitudinal side and providing a passage between the top surface and the bottom surface of the sheet.
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