An Islamic technique, Zardozi is the process if attaching various types of gold thread to a piece of fabric. It includes chain stitching gold thread, attaching gold beads and sequins, couching on thick gold threads and twists, and sewing on a variety of gold coils, called "purl" or "bullion". Silver and copper metals are also used to show a variety of silver metal techniques on a thin chiffon shawl.