Specifications: 1.The new function of narrowing by holding based on the excellent performance of ¡°Flying Tiger¡±machine, which can save man-hour and raw materials and improve product quality. It is easy to learn & operate & maintain. 2.Yarn carrier is selective and can restore to its place at any time when out of active. 3.Collar and sloping shoulder can be shaped at once, no stitich can be seen at the V-neck and crew neck. 4.Simple operation, Free of hackle when fashion collar or burst fabric.