Museum of la Madera y la Madreña Monument · Caso, Nalón, Asturias Image of Caso, not of the place itself. At Veneros, the historic capital of the trade, it is explained how the Asturian madreña clog is carved by hand; each maker marked his own with painted or fire-branded designs, a personal signature recognisable from village to village. Photo: Javier Pérez López (CC BY 3.0) What to see and do in Caso