As Harry, Ron and Hermione make their escape from the Death Eaters in Harry Potter and the Deathly Hallows, Hermione’s handbag doubles as a moving van. Using an Undetectable Extension Charm, the brainy witch is able to pack provisions for their dangerous adventure inside her purse. Books, food, even a tent are carted neatly along, without so much as a shoulder ache. Think of what it could do for international backpacking trips.
Top 10 Coolest Harry Potter Spells
From incantations that protect against the dark arts to charms that will stuff a week's worth of luggage into your purse, TIME takes a look at the best spells from J.K. Rowling's famous wizards