... heavy fabric 3.high speed straight stitch sew Mini electric sewing machine SM-20UDifferential gear wheel body with reeling ... , swimming clothes, children's clothes, bra, shoes, caps, gloves, embroideries, and so on.SM-341This machine adopts a ... attrition, low noise and long life. Suitable for sewing riding boot, gym shoes, leisure, sponge shoes, ... , riding boots and so on. Mini electric sewing machine