pattern for leech-hide trousers, aka pattern for leech-hide trousers and pattern for leech-hide trousers

A laminated sheet printed with a sewing pattern for making an article of clothing.

It tells you how to make a leech-hide trousers with the following components:

2 - bunny pelts
10 - rock leech hides
3 - ice yeti pelts
2 - vials of cytidine

Making this would take a expertise in craft.

It weighs about 100 grams. It is a clothing pattern. You think it might fetch about $2 on the market.