A machine for washing breasts

Circa 1930s. Origin unknown. Use unknown.

Breast washer, c.1930s

Update: Our commenters solve the mystery. This is a French "breast enhancement" water massage device, and the whole ad is here (and here are similar ads. (Thanks, Daneyul!)

You can find out more by reading Quack!: Tales of Medical Fraud from the Museum of Questionable Medical Devices, described by Orangedesperado: "Many items to consider with the original ads and copy. Don't forget the prostate warmer which worked with the heat of a light bulb and was helpful for stimulating the center of the 'male brain'."