Hand Dyed Silk Hankies from Frabjous FibersThese silk hankies, or matawa silk squares, are individual silk cocoons that have been opened and spread onto a square frame. Each square contains layers and layers of light as air silk fiber panels that are easily peeled away into very thin sheets ready for you to spin or knit! You can even us it for felting simply separate a thin layer of silk and lay it over your wool item and wet felt them together. How to prepare your silk: 1. Separate a layer 2.