There are lots of clever products designed specifically to make running with dogs a little easier, from accessory bags and digital pedometers to portable water bowls. Now there is a new item joining the jogging pack. It is called the Stunt Runner, a hands-free, soft, stretchy leash designed to keep your canine running partner in proper place without creating tension. The connector attaches to the human’s waist while the d-ring slides conveniently to help pup keep pace, stay on track and stay safe. Do you run with your dog? Here are a few important safety tips to keep in mind if you’re just getting started.