Add Yahoo as a preferred source to see more of our stories on Google. At first glance, your dog’s collar may look like a benign piece of equipment that encircles the neck. What harm can it really do?

When you buy through our links, Business Insider may earn an affiliate commission. Learn more Every dog should wear a properly fitted, comfortable collar with their ID tags attached when they go out ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more A properly fitted, comfortable dog collar is an essential pet accessory. When you take your pup out into ...

At first glance, your dog’s collar may look like a benign piece of equipment that encircles the neck. What harm can it really do? After all, a collar—plus a leash—is one of the first accessories that ...