Bolas or bolases is a type of throwing weapon made of weights on the ends of interconnected cords, used to capture animals by entangling their legs. Bolas were most famously used by the gauchos, but have been found in excavations of Pre-Columbian settlements, especially in Patagonia, where indigenous peoples used them to catch 200-pound guanacos and rheas. The Mapuche and the Inca army used them in battle. Mapuche warriors used bolas in their confrontations with the Chilean Army during the Occupation of Araucanía (1861–1883).

A gaucho or gaúcho is a skilled horseman, reputed to be brave and unruly. The figure of the gaucho is a folk symbol of Argentina, Uruguay, Rio Grande do Sul in Brazil, the southern part of Bolivia, and the south of Chilean Patagonia. Gauchos became greatly admired and renowned in legend, folklore, and literature and became an important part of their regional cultural tradition. Beginning late in the 19th century, after the heyday of the gauchos, they were celebrated by South American writers.