Household sewing machine is operated not only whit foot pedal, but also with a mounted handwheel. The sewing machinre can be equipped by an electric motor. A hand case is available for your option. JA2 modle is designed to have a forwaed and backward material feeding device for double stitch without reversing the cloth. In addition, the JA2-2 modle has a cloth feeding regulator to adjust the feeding teeth up and down.