Soumaks (or Soumacs) are pile-less rugs. In other words, Soumaks are flat woven and have no nap. Soumaks are woven on warp threads, just like any other hand-woven oriental rug. However, the surface is smooth.
A supplemental, decorative stitch used for surface decoration and texture on Coptic tapestries. The soumak thread is wrapped around each warp, or group of warp threads, usually on a diagonal. Used to define lines, or create outlines.
A flat-weave rug made from a technique that produces a herringbone effect. This special weaving technique is also known as weft wrapping. Looks similar to embroidery work.