Directed by: Francis Savel (as Dietrich de Velsa) Stars: Gianfranco Longhi, Jean-Jacques Loupmon, Reinhard Montz Language: French | Subtitles: English Country: France | Imdb Info Also known as: Équation à un inconnu Description: This long-lost masterpiece of gay erotic cinema centers on a handsome young stud who rides his motorcycle through […]