Suitable for sewing various thin fabrics, such as shirts, nylon raincoats, sports shirts, etc., with special tube shaped overlock and horn attached. The curved needle is independent and easy to adjust, and the needle moves forward and backward with the feeding teeth. This machine is carefully designed with built-in upper and lower plastic cloth wheels, which are anti slip and wrinkle resistant, and can pull materials more synchronously, making the stitching smoother and more beautiful.