Wrinkle corner. A splint for the metacarpophalangeal joint of the thumb.

@article{Wakeley1987WrinkleCA,
  title={Wrinkle corner. A splint for the metacarpophalangeal joint of the thumb.},
  author={C J Wakeley and Hugh Millington},
  journal={Injury},
  year={1987},
  volume={18 4},
  pages={291}
}
We describe an effective splint for sprains of the metacarpophalangeal joint of the thumb.