| 摘要 |
A headwear piece or cap comprises a crown portion and a bill portion conjoined at one end with the crown portion. The bill portion includes a stiffening insert configured to fold in at least one location by way of an interior slot and adjoining terminal crease sections. Each terminal crease section is formed by the provision of oppositely disposed upper and lower indentations at each end of the interior slot. The foldable stiffening insert is sandwiched between two flexible layers.
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