Iron collar and key

Wrought iron slave collar with a three inch locking device and a three inch key. The collar is made up of two pieces of iron attached with a hinged, chain link back. Each end of the collar has an eyelet that can overlap and the lock can be inserted in to. The lock has a cylinder locking mechanism and a curved shackle hinged on one side. The key has an eyelet on one end and a shoulder in the middle of the shaft. The teeth of the key are threaded like a screw.
Medium: wrought iron
Dimensions: 2011.155.285a-Slave collar: 1 1/2 x 6 x 6 1/4 in. (3.8 x 15.2 x 15.9 cm) ; 2011.155.285b-key: 4 5/8 x 2 9/16 x 7/8 in. (11.7 x 6.5 x 2.2 cm) ; 2011.155.285c-lock: 3 1/8 × 2 5/8 × 3/4 in. (7.9 × 6.7 × 1.9 cm)
Object number: 2011.155.285abc
Credit Line: Collection of the Smithsonian National Museum of African American History and Culture
Manufactured by: Unidentified
Data Source: National Museum of African American History and Culture