Weirdos and the Oddballs (1971)

Zora and her husband Sasha are a pair of middle-aged deviates looking for new kicks. They place an ad in the Village Voice claiming to be couples therapists and wait for the arrival of their first clients. David and his girlfriend Florence are ushered into Zora s lair, where she raves wildly about her ability to cure David's premature ejaculation!