| 摘要 |
PROBLEM TO BE SOLVED: To provide a tool for reducing volume of a Futon with which the volume of the Futon can easily be reduced without compressing it too much. SOLUTION: The tool for reducing volume of the Futon is made of a flexible, retaining material 4 sharp retaining material shape retaining. The Futon compressed by the shape retaining material sharp retaining material the, is plasticity deformed in the material a and folded with the material.
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