From Hogwarts School Wiki
|Year||A long time ago|
|Ingredients||For three vials: 3 cups water; 1/2 cup salt; 2 oz. nettle juice; 3 oz. --- bulba seeds, freshly powdered; 1 oz. powdered dragon horn; 2 1/2 lacewing flies, crushed|
|Intended effects||Causes lockjaw|
- Boil water. Add salt.
- Stir clockwise 3-5 times. Stop when transparent.
- Add nettle juice and bulba seeds.
- Stir counterclockwise 6-8 times until pale lavender.
- Add powdered dragon horn. Stir twice in each direction.
- Add lacewing flies. Stir thrice in each direction.
- Let boil for 14 minutes.
- Strain and bottle.
Must be splashed upon the victim’s head to work. Works even better if consumed.