On a beach in Costa Rica, as fishermen land the day's catch, two women are hard at work on a slimy sea bass skin, rubbing, scraping, washing and tanning the hide to turn it into leather.
Two years ago, both Mauren Castro, 41, and Marta Sosa, 70, were stay-at-home mums dependent on their fishermen husbands to provide for their families of four and six, respectively.
