Well Reasoned Ravenclaw As the sharpest students of Hogwarts school, a Ravenclaw should always look their best. It's time to represent your intelligence wherever you're headed with this Harry Potter Ravenclaw Iron-On Patch. With the clean embroidered house crest on your duds, even your casual ensembles will look as smart as your school robes. Don't let anyone miss your education in the strengths of Ravenclaw witches and wizards.