clutch with spring fastener slices allow you easy to install and remove, simply push to secure onto pin post and the trigger while holding onto your pin to release; These locking pin backs are a great alternative to and rubber clutches, and convenient for using.
The pin back can be applied with tie tacks and lapel that have lost their backings, or with your homemade craft; Can also be used as the tie tacks, badge insignia, citation bars, service bars and jewelry making, etc.