File:Metal chain.jpg - Wikimedia Commons

File:Abandoned concrete factory mechanism.jpg - Wikimedia Commons

File:Chain fragment (AM 2007.13.9-3).jpg - Wikimedia Commons

File:Chain link (Unsplash).jpg - Wikimedia Commons

File:16XX Halseisen anagoria.JPG - Wikimedia Commons

File:Rusty chain (focusing).jpg - Wikimedia Commons

File:Chain coupler detail es.jpg - Wikimedia Commons

File:Rusted chain.jpg - Wikimedia Commons

File:Chains to the drain - geograph.org.uk - 1255165.jpg

File:Belt made of spiked metal, Europe, 1501-1800 Wellcome

File:Knight's Collar Chain & Badge, Gen. Charles Grey, 1st Earl

File:Chain link.jpg - Wikimedia Commons

File:Chainlength measurement.jpg - Wikimedia Commons

File:Barbed tape behind a chain link fence.jpg - Wikimedia Commons

File:Prong collars.jpg - Wikimedia Commons