Tough Silk, also known as Tough Spider Silk, is one of a few silks from a Spider-morph. The champion can take 5 pieces of it to Rathazul to make armor or robes, or 2 pieces to make undergarments.
Tough Silk, when examined You look over the tough webbing, confusion evident in your expression. There’s really nothing practical you can do with these yourself. It might be best to find someone more familiar with the odd materials in this land to see if they can make sense of it.
This bundle of fibrous silk is incredibly tough and strong, though somehow not sticky in the slightest. You have no idea how to work these tough little strands into anything usable. Perhaps one of this land's natives might have an idea?