Shirt Accessories, DSI London, 4501 Professional Collar Studs, $15.00, from VEdance LLC, The very best in ballroom and Latin dance shoes and dancewear.
Shirt and Collar Studs (Dress Buttons) - Nehelenia Patterns
NEW FREE GOLD STUDS LINKS 100% COTTON WHITE FRENCH CUFF WING COLLAR TUXEDO SHIRT | eBay
Front and Back Collar Studs for Collarband Detachable Collar - Etsy