Dress Shirt Collar Button Extender - Wonder Button

The Wonder Button collar extender is perfect when your favorite dress shirt gets uncomfortably tight around the collar. Gives your dress shirts more neck room and becomes invisible when you have a tie on.
Loosen that tight collar with the Wonder Button, an ingenious little device that extends the size of your shirt collar by up to a half size. The wonder button stays completely hidden behind the tie so no one is the wiser.

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