Luna Lovegood's lion-topped hat

A hat worn by Luna Lovegood during a quidditch match to show her support for Gryffindor. When she tapped the hat with her wand, it let out a very realistic roar

Behind the scenes

 * Actress Evanna Lynch, who portrays Luna Lovegood, drew a concept drawing for the designers while they were creating Luna's hat. She said she "wanted it to look like it was eating her head".

Appearances

 * Harry Potter and the Half-Blood Prince
 * Harry Potter and the Half-Blood Prince (film)