In medieval times the dungeon was the name of the Great Keep or the main tower of the castle. This was often the most secure location in the castle. Manacles such as these were used to restrain prisoners and keep order. The Great Keep Macabre Dungeon Manacles are functional and extreme, meeting the authentic requirements of a medieval dungeon. They are constructed of iron with a black finish. The traditional hinged design is integrated for a superior and accurate lock. Even the iron key is thick and hand forged. These shackles are suitable for medieval themes, reenactments, restraint, die-hard fans, and kinky excursions. Please play responsibly with these Iron Manacles.