Bolas - Wikipedia
A bolas (plural: bolas or bolases; from Spanish bola, "ball", also known as boleadoras) 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 (South American cowboys), but have been found in excavations of Pre-Columbian settlements, especially in Patagonia, where ...