Harry is immediately entranced by the ears and tail.

Whoa, now that's a fashion statement, puzzles one corner of his mind, bemused but kind of impressed. You can buy butt plugs with tails like that, notes another. Most people do not wear butt plugs in public, supplies a third. In response: Most people are cowards.

Harry opens his mouth, closes it on the half-formed Are you wearing a butt plug?, and instead manages a muddled:

"You have ears and also ears."

In helpful clarification, he mimes horse ears on the top of his head with his fingers.