Italian Stallion, The (XXX German Language Hardcore Version) (1970)

aka's: The Party At Kitty And Stud's/
Die Sexabenteuer Des Sylvester Stallone/Ein Mann Steckt Einen Weg/Kitty & Studs – Der Italienische Deckhengst

Concerns the sex life of a young New York woman, Kitty (Henrietta Holm), and her boyfriend Stud (Sylvester Stallone). Stud is brutal and oafish but Kitty is enamored with his sexual performances. They sometimes engage into light sadomasochism, with Stud belt-whipping Kitty. Stud later posts a sign on a bulletin board inviting people to a party. Several people show up at Kitty and Stud's apartment and they all engage into group sex, with Stud servicing all the women. (In German Language). ADULT CONTENT.

NOTE: This is the rare uncut-hardcore-XXX version of this film, which was only released in Germany and is in German language.