Once you pop it, it acts as a grip to hold your phone, a stand for your phone, something to wrap your earphones around and something to entertain you for you cant stop playing with it. This tech accessory aims to provide you comfort and support when using your phone. It sticks like glue, leaves no marks and can be re-used.
So get the design you love, place it on your phone or case, pop your socket and question how you ever held your phone without one of these.