"Like the 23 women before her, Vigo has never made a penny from her work. She is bound by a sacred ‘Sea Oath’ that maintains that byssus should never be bought or sold. (...) “Byssus doesn’t belong to me, but to everyone,” Vigo asserted. “Selling it would be like trying to profit from the sun or the tides.”
A beautiful story about the rarest material on earth and the 1000 years old oath that makes it a #common #good
http://www.bbc.com/travel/story/20170906-the-last-surviving-sea-silk-seamstress