Below The Belt (1971) (Better Quality)

A slim blonde with long hair and tanned skin is on her back in bed, looking wrecked after a solid fuck session. She mounts a dark-haired, muscular guy with tattoos, grinding slow before he flips her into doggy. Later, a petite brunette with curly brown hair joins them, sliding into a tight embrace with the same guy on an armchair. The blowjob scene is up close — she takes it deep, eyes shut, mouth sloppy. Camera stays intimate, lots of close-ups on faces and fucking. Woods shot at the end shows two guys talking, one with a scar, but no action there.