X2 Twist Earrings - Additional 2nd LayerDescription Circles with opinions. Add versatility to your X2 Twist Earrings with this optional piece. While the earring hook base colour remains the same, you can mix and match the top layer with a different colour, allowing you to create various colour combinations. PLEASE NOTE: This is an optional addition only if you already own a pair of the X2 Twist Earrings. They are for the woman who wants to feel more visible without feeling overdone. Bold