What types of pin can I have on the back of enamel badges?

What types of pins can be fitted to the back of enamel badges.

Pin Badges: All About This Underrated Accessory

Packs of Enamel Pin Locking Pin Back Gold or Silver Spring Loaded No Tool Pin Back Clutch Top Hat Pinback

The Definitive Guide To Lapel Pins

Enamel Pin

Custom Hard Enamel Pin – VOGRACE

BRASS PIN BACKS: pin backings made of nickel-plated brass, durable for long time use PIN SAFETY BACKS: pin backs lock pins firmly and secure pins in

Pin Backs, Lapel Pin Backs, 50PCS Brass Metal Pin Backings for Brooch Tie Hat Badge Insignia, Gold

How To Make and Sell Enamel Pins (Ultimate Guide) (2024) - Shopify Malaysia

Custom Hard Enamel Pins, Hard Enamel Pins Manufacturer – The Enamel Pin Factory

War of the Pin Backing Types: Metal vs. Rubber Pin Backs

Custom Backstamps For Enamel Pins: Leaving Your Mark on a Custom Design - Signature Pins

Different Styles with Different Back-faces, Lapel Pins

The Pros and Cons of Different Types of Pin Backs

Custom Backstamps For Enamel Pins: Leaving Your Mark on a Custom Design - Signature Pins

Custom Pins 101: Types of Pin Backs and Attachments

War of the Pin Backing Types: Metal vs. Rubber Pin Backs