Now you can make sure you never lose an earring again with LOX unique locking earring backs.   Comfortable, hypo-allergenic, easy to use and guaranteed for a lifetime, you can trust LOX to keep your precious earrings safe and secure.

Instructions for use: 

Simply push LOX on to your earring post to secure your earring. Then when you want to remove it, squeeze the metal clip and LOX will easily slide off.