Step 4 of 14Pelangi: Gathering the Silk Fig. 1. As the stitching is gathered up, the fabric shrinks and changes texture - Photography Cees de Jonge The stitches of the design are then gathered from one edge to create tiny bundles across the surface of the fabric. This is referred to as ‘tritik’ - stitching in different designs to then gather together different patterns. This is step number two.