computerized sewing and embroidery machine; Computer system: Windows XP/2000/ ... Foot operated lever control the speed, regulate stitch distance and tension by knob, very simple to use.8. ... a tool box, contains seam ripper, bobbin, screwdriver, and many kinds of presser foot, button sewing foot, ... foot, buttonhole foot, blind ham foot, overcast foot, and so on.12. Reverse feed function: reverse-feed can ...