Mark of the Devil (German: Hexen bis aufs Blut gequält, lit. "Witches Tortured till They Bleed") is a West German horror film released in 1970. It is most remembered for US marketing slogans devised by Hallmark Releasing Corp. that included "Positively the most horrifying film ever made" and "Rated V for Violence", while sick bags were given free to the audience upon admission.