Various devices which help women to lose weight.
"Searching for slimness today, Eve can go a long way without getting there (so to speak) in this weight-reducing road machine."
Girl in an exercise leotard demonstrates an early running machine. There is an extreme C/U of a man's face - presumably coaching the woman to run faster. "Beauty vibrations for tender curves!" M/S of two glamour girls in belted leotards with exercise belts strapped around them. Various shots of the girls using the belts on different parts of their bodies. They are given a good shaking!
Another device is demonstrated. Girl lays down on a table and pulls backwards and forwards on elasticated cables. Last exercise is the more traditional lying on the back and doing cycling movements with the legs.