The Relaxiciser featured in the episode was a real product and as the company had gone under many years ago, the real article was used. Billed as a weight loss product, it found more fans as a sexual aid for women.
Elisabeth Moss starts wearing fat prosthetics around her face and padding on her body to indicate that Peggy is gaining weight.
This episode takes place in October 1960.
There's a subtle mirroring of sexual consummation for two of the women in Don Draper's life in this episode. Peggy experiments with the vibrating pleasures of the Relaxiciser while Betty discovers a new side to her washing machine when it's in spin cycle.
The subject of female masturbation would return dealing with Don's daughter, who had grown into a teenager, watching David McCallum on The Man From U.N.C.L.E.