" ooh -er missus " As a child in the early seventies I well remember these gadgets appearing in a variety of " ooh -er " type carry-on comedy type films etc modelled by an obese gentleman or a well-endowed lady. The idea being that you just plug this in wrap the band around you, switch on and watch in amazement as your flabby body wobbles itself into a svelte new you. Duff retro-science at its very best !  A blast from the past guaranteed to provide hours of fun when you come back from the pub and decide to try this out.