Toenail-growing hex

"There had been a hex that caused toenails to grow alarmingly fast..."

- The Toenail Growth Hex effects

The  Toenail Growth Hex is used to cause the victim's toenails to grow alarmingly fast.

Creation
This hex was invented by Severus Snape in his school years at Hogwarts School of Witchcraft and Wizardry. Therefore, it has not been approved by the Ministry of Magic.

1996
"...he had tried this on Crabbe in the corider, with very entertaining results."

- The Toenail Growth Hex

In 1996, Harry Potter used this hex on Vincent Crabbe.

Appearances

 * Harry Potter and the Half-Blood Prince