For those torn between protecting their glass-backed iPhones and showing them off, Zagg’s InvisibleShield Glass+ Luxe 360 offers something in between. The two-piece protector covers the front and back of the iPhone X, 8 or 8 Plus and is made from “the toughest tempered glass on the market” with reinforced edges to prevent chips and cracks. The cases come in matching black, gold and silver colors for the iPhone 8 and 8 Plus and in…