according to the invention, the female long hair tied up in the back of the head, as you type in the case of a write off, it can be used for the work and so on. in a hat on the head of the band in the opening with elastic material elastic tape and the back of the head with a cutting off part is inserted, and a size can be automatically adjusted, the back of the head in the form of a section of the cap below the size of the device, the pony tail style with his hat, cap size adjustment device to be easily removed from the cap can be used, including the characteristics of it.;according to the original design, the hat cap one size adjusting device, remove the tail hair, wearing a hat, the hat, the back of the head of a department in a control device, and the size of the packet in the middle is not easy to use to be able to take off.
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