Vintage 1920s set of Lingerie Clasps on Card, Flapper, Wilsnap

ERA: True vintage item from the 1920s
MEASUREMENTS:
MATERIAL: card is 2 inches by 3-1/4 inches. The clasps are 1/4 x 1 inch
LABEL: 'Wilsnap'
Unused etched silver metal lingerie clasps on original card. I believe they clasps your lingerie snaps in place on your garment. Made by the The Wilson Fastener Co. of Cleveland, Ohio. On the back of the card is claims that the clasps can be used to secure your hair as barrettes.

CONDITION: Excellent condition. card has light aging and a slight bend. The clasps are lightly aged/tarnished.