This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. BOULDER, Colo. — A Boulder woman hopes to ...

What do these collars do? Choke: These collars are usually made of metal links and are designed to allow owners to control their dogs’ movements by having the collar tightening around the dogs’ necks.

In January, city council voted to ban Toronto dog owners from using choke collars (except Martingale choke collars, which are considered more humane). The new rule came into force on March 1, and not ...