Caso clogs Curiosity · Caso, Nalón, Asturias Image of Caso, not of the place itself. The municipality is the great craft centre of Asturian wooden footwear: at its 19th-century height it had several dozen clog makers who carved thousands of pairs a year for the region's markets. The motifs carved on the upper act as each family workshop's signature. Photo: acneuc (CC BY-SA 3.0) What to see and do in Caso