What are Pandora spacers for?

Hello, Pandora spacers are put on the screw part of your Pandora so it will cover them up and do to jobs...1. cover up the screw parts to make your Pandora look better2. stop your charms from falling to the bottomthey clip on and create different sections. if you want to put another charm on and you have a spacer in the way you simply UN clip it put your charm on and clip it back on.