Rub the wart with rock-salt till it bleeds, and throw a lump of salt in the fire; if it crackles and snaps out of the fire, the wart will get well; if not, not.
Central Maine.

Rub the wart with rock-salt till it bleeds, and throw a lump of salt in the fire; if it crackles and snaps out of the fire, the wart will get well; if not, not.
Source: Current Superstitions (1896), entry 919.
Fanny D. Bergen, editor.
Modern normalized navigation; the historical attribution above remains unchanged.