With a flourish of his wrist, the sheets pulled themselves into the air, and she gasped, jumping back from them as they folded themselves before neatly settling into piles. The one below his foot wriggled and twisted, his weight pinning the corner down to the floor as the opposite end contorted in the air. He chuckled, stepping back so that it too could be stored away. The corners clasped together of their own will before joining one of the other stacks of sheets, revealing Hermione's startled face, her jaw slacked open.