Locking backs that can't be pulled off the pin, Wear your enamel pins outdoors without worry, Pack of 3 or 10, 10mm wide and 7mm high, If you love
Enamel Pin Attachments/The Best Attachment for Your Custom Pin
Locking Pin Backs: How to Keep Your Pins Secure - Asilda Store
Set of 2 Silver Locking Pin Backs can Only Be Purchased WITH
Secure Locking Back
Secure Locking Pin Backs for Enamel Pins Gold Silver Pin Extra
Elegant Yellow Sunflower Rhinestone Lapel Pin For Women - Temu
Gold Metal Enamel Locking Pin Backs to Secure Your Pins
Locking Lapel Pin Backs, Enamel Pin Secure Clasp Clutch, Deluxe
Secure Locking Pin Backs X 5
Add-on/upgrade: LOCKING BACKS or Extra Rubber Backs