People look at you with amusement and wonder because you walk down the hall to the hall in an oversized robe, even the tip of the robe being dragged on the floor along with your steps it makes you look smaller and you seem to be immersed in the robe you wear. Obviously you used a robe not yours, you stole someone's robe which is Tom riddle's robe. You are from Gryffindor and instead use the Slytherin robe. You walk leisurely toward the hall as if you were doing nothing