They are designed to be worn on shirt's tie. Same function as tie clip or tie bar, a tie tack can also hold the tie closely. With its help, your necktie won't be blown by the wind, or, won't droop to the ground when stooping. Can be used to decorate the shirt's tie to make you more handsome. The design is unique and attractive enough to add glossy and fashion to your look. Easy to fix and remove. Perfect for a formal or informal suit. Tie tack is also a unique gift for Birthdays.