Penelope shrugged; those little Gringotts carts were only operable by goblins and the goblins were the ones who knew the stone maze of the bank the best. It made sense that they'd want a guest supervised, though Penny was pretty sure the goblin would be offering her unnecessary advice on how to do her job. "Makes sense, yeah. The Horntails still give me a little shock every time I see them," she admitted as they walked up the white stone steps to the wizarding bank. "The rest seem cuddly by comparison."