Reservoir blanket tying method is in a planted cashmere knot in has a overlap of tying ring of planted cashmere knot, is manual serial knot, commonly known as “overlap serial buckle”, its tying program can summarized for “pull head cut cashmere”, is cashmere yarn while winding in warp and woven Rod Shang, continuous operation, pull to must length only cut cashmere once, cut cashmere while taking woven rod, than traditional of “8” Word buckle of each head will cut, obvious reduced intensity, improve labor efficiency. Carpet thickness determined by the diameter of the hardcore, so blanket thickness control freely. Characteristics of Tibetan silk rugss of knot, silk rugss cut pile, or cashmere, can meet style requirements. Tibetan silk rugss of knot weave silk rugss, silk rugs forming natural horizontal stripes looks heavily, structured; blanket back lump run, embodies the rugged, simple, natural beauty, meet the requirements of pursing simple, elegant. What is number? What are the steps? Representation of the density number is silk rugs, number the higher the density the more dense, more high quality. Knotted pile number along to unit length (30.48cm) within the pile cluster number of rows, that silk rugs weft density said. Step: the silk rugs representation of densities, General wool glue back silk rugs used step number density of the silk rugs. Higher the number of steps, greater density, higher quality.