Once you settle on a collar or harness and a leash, it's easy to take a dog's equipment for granted. But not unlike the tires or brakes on a car, assuming everything's in good shape when it's not can lead to big trouble. In this case, a worn or frayed leash or collar could put your dog at risk.

In this video, expert dog trainer and canine behavior expert Robert Cabral, a member of the Wag! Advisory Board, shares his tips on how to check a dog's equipment, whether you're a pet parent, a neighbor recruited to walk a friend's dog, or a dog walker.