Trivia

Several frames had to be removed from the sequence in which the female inmates rape Rocco the prison guard in order to avoid an X rating.

Jack Hill decided to make this film a spoof in order to distinguish it from other entries in the women-in-prison genre.

The prison camp guard dogs were actually military dogs and hence very dangerous.

The dead duck that Sid Haig hits Pam Grier with was real.

The titular sugar mill contraption was designed by Jack Hill's father.