2 mm Sapphire Dot Stud - Flat Back (Single)This is the not so basic basic you've been searching for. Layer them up, 2 or 3 in a row, to get the look of constellations on your ears, or just a single accent to catch a sparkle every now and then. How to wear: Insert the flat back tube into the back of your ear and fasten it in place with the stud itself. Give it a little push to make sure it's properly closed, the slight bend in the post will create tension to keep it secure. To take them off,