choke chain

British  

noun

1. a collar and lead for a dog so designed that if the dog drags on the lead the collar tightens round its neck

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Example Sentences

Not a choke chain—something like a head halter will work much better.

From Slate

KFYR-TV reports Tigris is 3 ½ years old and was last seen wearing his metal “choke chain” collar.

From Seattle Times

He passed on photographing a brown collie mix wearing a choke chain, for example, because he knew it would get a rise out of commenters who find it cruel.

From The Guardian

But the things you believe can be a choke chain.

From Salon

Rhylie, a Staffordshire bull terrier, was tied by his metal choke chain lead to metal shutters at Colney Mini Market in London Colney, when he "began fitting... and died", his owner said.

From BBC