The Young, Erotic Fanny Hill(1970)

Fanny Hill enlightens friends, acquaintances, and folks off the street to the joys of sexual freedom and battery operated love devices! Lenore leaves her pal Fanny and moves to the big city where she and her two room-mates, hard pressed for money, become nude models. When Fanny comes for a visit, she shows the girls her gratitude for their hospitality...