Also known as single-sided terry towels. It has a single needle tract, needle congratulate four needle tract model, and has a positive package terry machine (terry yarn to organize yarn coated on the inside, is displayed in the front of the lock yarn fabric, the second organized the yarn was coated on the inside) and n-pack terry machine (that is, we see the usual terry fabric, yarn fabric organization in the back) of the divide, the use of permutations and combinations of the sinker and the yarn to knitting production of new fabrics.