Harry Potter Mischief Managed Gold Lapel Pin Only the mischevious Harry Potter fan knows the secrets of this lapel pin. Set in gold with a matte black center, this pin is inscribed with both magic phrases, "I solemnly swear that I am up to no good" and "Mischief Managed," wear this pin on your lapel and become a master of deception. Officially licensed by Warner Bros. Entertainment Inc. Item cannot be shipped to P.O. Boxes