A "chain collar" refers to a type of collar that is made out of interconnected metal links or chains. It is typically used for pets, especially dogs, as a means of control and to discourage them from pulling or behaving aggressively.
Sentences with «chain collar»
Through the 1980's, punishment - oriented training using choke chain collars was typical. (yourdogsfriend.org)
To prevent injury, do not keep chain collars on the dog except for walking. (paw-rescue.org)
Show dogs are worked with a very skinny leash and thread - thin chain collar which can break if the dog pulls ever so much. (samthedogtrainer.com)