Walking on a loose leash is an important skill for a dog to make travel pleasant. Remember, when walking your dog, every step the dog takes is rewarding. Allowing the dog to move forward while pulling is teaching the dog to pull. First, don't start outside! The environment is too stimulating for your dog and he won't be able to focus on you. Start inside, with or without a leash start walking with a handful of treats. Just sort of march around and anytime the dog joins you in the vicinity of your side, click and give a treat. When that begins working for you, check out the video at the bottom of this page and add a couch or wall so the dog must be close to you too.
Practice without your dog and see if you can walk and place a food treat next to your left heel every other step. I've included a couple of different videos showing slightly different techniques for loose leash walking. Experiment so you learn which one works best with your dog.

Still not getting it? Go to you-tube and put in "clicker train your dog to walk on a loose leash. There are almost 175 different videos showing various techniques for loose leash walking. Be advised that most of these videos are using dogs that have mastered the early stages of loose leash walking. Your dog will probably take several sessions before success.

I had a video posted on "Silky Leash" on this page. I removed it because no matter how well you follow the directions in the video the dog end up undergoing a correction. In place of that I'm happy to have a video of Vicky demonstrating loose leash walking with both a front attach harness and a collar. All of the tension is on the harness leash, be sure you use two different leashes. This is part of "The Levels" which is a remarkable program designed to help people train their own service dogs.

Watch this video carefully! The novelty of the technique for a dog that had previously been "leash corrected" will give you a nice boost with establishing this novel, new behavior, "Keep shoulder by knee". First be confident with your clicker skills. You want to be able to take steps, observe the dog's shoulder next to your knee, click when it is and deliver the treat directly to the dog's mouth. Practice first without the dog present (you do not want the dog to hear the click and not get a treat.