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Scott has crinkle taffeta... similar to what eno and others use, I am told....
http://www.backwoodsdaydreamer.com/products-page/breathable-fabrics/

210lbs, single 1.1...

No issues 10+ hangs...

Now I DID take a 3" wide unhemmed piece of fabric and rigged it up... vertically, it supported my weight, but boy did it stretch!

Fabric is...