The Acrylic Place Keychain Connector Tab makes attaching keychains so much easier. Gone are the days of trying to thread your keychain around a jump ring. Now you can simply grab your connector tab, fold it in half around your keychain, and squeeze to securely attach your keychain. You can attach your keychain to whatever you'd like, a jump ring, a swivel hook, backpack zipper, the possibilities are endless. *** PLEASE NOTE *** These clips are made for material 4mm thick (approximately .15 inches). If you choose to use them on items thicker than 4mm you may have to use glue to keep them secure.