Related Clues:
- Knuckle-headed antic?
- Playful knuckle rub
- Unpleasant accompanier of a headlock
- Bit of horseplay involving a headlock
- A real head-scratcher?
- Knuckleheaded act?
- Jocular headlock accompaniment
- Knuckle-to-the-scalp act
- Painful head rub
- What might accompany a headlock
- Knuckle-headed gesture?
- Affectionate knuckle rub