A "Compañeros!" poster is visible.
In an interview, director Ruggero Deodato said that he took the more violent aspects and the fast editing from Sergio Corbucci's films as influence.
the film's poster is shown
scene where a torture is performed by having a rodent claw open a victim's belly by placing a basket over the rodent.
The opening scene in the church is exactly like the "marriage" scene between Vasco and Lola
Mentioned in documentary.