| 摘要 |
The present invention comprises a system for a buoyant material, a cover, and a belt arranged between the cover and the buoyant material. The belt is stitched to the cover at at least one location. In accordance with further aspects of the invention, the belt is stitched to the cover near a first lateral edge and a second lateral edge. In accordance with other aspects of the invention, the belt passes through the cover and is stitched to the cover near the location where the belt passes through the cover.
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