Yeah, I did it again!

I won the Mugglenet Caption Contest again! The still is from the upcoming Harry Potter & the Half-Blood Prince movie...

Slughorn: And, finally... does anyone know what this one is?

Hermione: *Shocked* Professor! How could you?

Slughorn: *Bemused* How could I what, my dear?

Hermione: Wear one of Fred and George's 'Vanishing Eye Tassels'?!

Pachyderm