Had to get a new over/stove/range (what do people call these ??) and there is this piece of sheet metal that looks functional but no idea what it's for. Instructions don't refer to it either, that I see. Will double-check.... It's hooked on the same piece of firm cardboard corner protection that is used inside the cardboard box to protect the (4) corners/edges. Any ideas ? It's a Samsung, FWIW.