Dakota Payne was sitting on the toilet when all of a sudden big hard cock appeared through that gloryhole. He started to suck it off immediately, and soon another guy joined demanding a blowjob - Dick Dawson Dakota Payne Dan Saxon - GayParade
Various S&M scenes shot in a mini-dungeon in 1971, but not in wide distribution until 1975. It apparently had a “World Premiere” in Los Angeles in 1971. - NMHOTDAD