She rifles through a couple of drawers and pulls out a long Slytherin scarf striped in green and gray and another more formal black cashmere one. Draco quickly enchants the striped one and wraps the cup in it, muffling the dark magic, although it’s not completely gone. He stuffs the bundle and the other scarf in a backpack and shoulders it. He takes her hand and pulls her close to him, sending her a silent message.