Fluch der schwarzen Schwestern, Der was released in the year 1973。

In this sleasy "erotic horror movie", a young pretty virgin, Helga (Marie Forså) arrives at a castle in Germany. In the castle's basement, naked women, led by a bitch called Wanda, perform rites with penis shaped candles, while bongos are heard on the soundtrack. People staying at the castle engage in softcore bonking sessions.