Slave collar

Slave collars have been attested to in 4th and 5th-century ancient Rome,^[2] the antebellum United States,^[1] and in serf populations in Scotland.^[3]

• 
  Zoninus collar, Roman slave collar dating to the 4th–5th century AD
• 
  Roman collared slaves
• 
  Scottish serf's collar 1701
• 
  Black boy with slave collar, 17th century
• 
  Slave collar, 18th century
• 
  Neck restraint
• 
  Slave collar on Wilson Chinn, United States, 1863

Wikimedia Commons has media related to Slave collars.

• Chains, fetters, manacles
• Page (servant)
• Representation of slavery in European art
• Slave iron bit
• Colliers and Salters (Scotland) Act 1775
• Torture of slaves in the United States