30 Pcs Brooch Pins, Silver Bar Pins, Secure Back Clasp with Back Bar Fastener, P
Thsee brooch backs have a hook fastening, and you can push the pin behind the catch to keep it secure and keep it from accidentally opening. They are difficult to harm. These badge pin backs have two or three holes and flat backs, allowing you to glue the connected crafts or directly sew the hole.