Some pretend to remove warts by “touching with the sharp point of a stick and rubbing them in the notch of another stick; then if the patient tells of it, they will come back.
Alabama.

Some pretend to remove warts by “touching with the sharp point of a stick and rubbing them in the notch of another stick; then if the patient tells of it, they will come back.
Source: Current Superstitions (1896), entry 924.
Fanny D. Bergen, editor.
Modern normalized navigation; the historical attribution above remains unchanged.