Medieval Penannular Iron Brooch Medieval Norse Cloak/Scarf/Shawl Pin Viking Age Jewelry Costume Fashioned From Forged Steel Held In Place By The Fabric Pin Length: 4 In, Diameter: 4 In Initially Developed From The Roman Clasp Or Fibula Pointed swivel prong DescriptionThese forged steel pins/brooches are strong and beautifully made. The pin can either be held fast between the two spirals, or it can be twisted so the pin sits above the loop. This brooch is held in position by the pull of the fabric through which it passes. These brooches were initially developed from the Roman clasp or fibula.