“I’m supporting Gryffindor,” said Luna, pointing unnecessarily at her hat. “Look what it does…”
She reached up and tapped the hat with her wand. It opened its mouth wide and gave an extremely realistic roar that made everyone in the vicinity jump.
“It’s good, isn’t it?” said Luna happily. “I wanted to have it chewing up a serpent to represent Slytherin, you know, but there wasn’t time. Anyway… good luck, Ronald!”