Guaranteed To Solve Your Dog’s Pulling Issues Or Your Money Back Turn your standard leash into a “no-pull” harness simply and easily. Just connect the Thunderleash to your dog’s collar and it will apply gentle pressure on your dog’s torso when pulling occurs. This gentle pressure stops your dog from pulling. Easy to put on Comfortable for your dog 100% satisfaction guarantee Can be used as a normal leash or a no-pull harness Make walking your dog hassle free and enjoyable. Many no pull harnesses can be confusing and complex to put on. The Thunderleash provides the most simple solution to pulling. You can connect the Thunderleash to your dog’s collar, just like any other leash, when your dog is behaving well. When your dog is having pulling issues just wrap the Thunderleash around your dog’s torso and slide it through the harness slot. In this position the leash will apply a mild pressure to your dog’s torso whenever pulling occurs. And PRESTO! Pulling should be a thing of the past. How to use: Step 1:Follow the “Initial Fitting Instructions” to get the ThunderLeash adjusted to properly fit your dog in the “no pull” harness configuration. Step 2:When you do not need the added control, you may use the ThunderLeash just as you would your standard leash simply by clipping it to your dog’s collar. When a situation arises where you need added control, switch to using the “no pull” harness configuration of the ThunderLeash. Thunderleash Sizes Small: dogs between 5-11 kilos Large : dogs above 11 kilos