Petunia protested weakly, obviously recalling Dumbledore's letter. But magic was all about intent, and Harry could feel the blood-wards crumble. Showing his teeth, Harry gave a mocking bow, "Thank you, Uncle Vernon, Aunt Petunia. As a parting gift, have this: >Accio Pendant!<" They waited for nearly a minute before the little vial flew towards him. Catching it easily, Harry threw it into the air and hissed >Bombarda<." A thousand glass-shards rained down on them. Good luck getting them out of the lawn. Then he apparated away.