What a Vibrating Belt Was (1961) The vibrating belt machine was marketed in the 1950s–60s as a “passive” fitness gadget — you’d just stand or lean into the motorized belt while it “shook the fat away.”�It was sold as a way to break up belly fat, improve circulation, and tone trouble spots — all with zero sweat required. Of course, science eventually caught up and the claims didn’t hold up. But in that era? Women were sold the dream of results without the work. 👉 Midlife women, would you take th