Blind-stitch machine is a special kind of sewing machine with single curved needle and single-needle chain traces.It is widely used for sleeve cuff,trousers cuff,glove tube edge and various fabrics,such as knitwear. Cotton textiles,woolen as well as chemical fibre,etc.Equipped with a kind stitch apparatus,model overlock machine not only can sew common overlock trace,but also can sew skip stitch trace.Non-skip stitch apparatus.