|"Are you a wizard or not?"
The title of this article is conjectural. Although it is based on canonical information, the actual name is conjecture and may be supplanted at any time by additional information released from canonical sources. If this occurs, please move this page to the appropriate title.
This hex caused the victim's knees to reverse position from the front of their legs, where they were supposed to be located, to the back.
- Gertie Keddle used this hex when a man playing an early form of Quidditch came to her garden to retrieve his ball.
- Torquil McTavish had this spell used on him in 1754, during a broom race.