Single head double system, this series floor cars equipped with advanced equipment and the bottom gauze clip, the yarn cut through the two devices at present domestic knitting field, two major problems in our machine have been very good, and has reached the international advanced level, Since floor device adopts activities, the principle of release compound needle effectively sealed off the hanging yarns and yarn function, and yarn clip yarn and cutting device floor device is complementary to each other, both with work, can fully exert its function, reduce the waste of yarn, improve production efficiency.