This Medieval Renaissance Penannular 100% Brass Brooch is practical, functional and beautiful. These pins/brooches are strong and made to be used. The pin sits on the loop: held in position by the pull of the fabric through which it passes. Brooches initially developed from the Roman clasp or fibula. In the severe climate of northern Europe, the brooch became the typical ornament of the era, because it normally functioned as a fastening for a heavy tunic or cloak.