A device for building muscle in the arms legs and abdomen area comprising of five strips of thin bendable material such as rubber, plastic, etc that will generate resistance when the wearer bends arms, legs or waste. Each strip have rings at the ends to facilitate the bending of the thin bendable material and will also permit a person to wear the bendable material. This invention is sewn into the lining of a jogging suit type apparel to allow the invention to be worn without visibility.