I Solemnly Swear That I Am up to No Good™/Mischief Managed™ Giant 20 oz. White Mug "swym-disabled" quills & parchment for your

quills & parchment for your studies at Hogwarts

The richly colored doormat features the coat of arms from Harry Potter

and a vision of his father and the young Severus Snape that changes everything he thought he knew about them

An intrepid magizoologist needs to dress the part for wherever his researches may take him

and designed by MinaLima

I Solemnly Swear That I Am up to No Good™/Mischief Managed™ Giant 20 oz. White Mug "swym-disabled" quills & parchment for yourI Solemnly Swear That I Am up to No Good! This giant 20 ounce Harry Potter mug features the password to open the Marauder's Map on one side, and the phrase that closes the map, Mischief Managed, on the other side. This white ceramic mug holds 20 ounces of your favorite hot or cold beverage and is microwave and dishwasher safe.