I'm sure this subject has come up before, but couldn't find what  you like best for stopping a puller. Holly is 4 1/2 months and I know a lot of it is puppy and being excited when she goes out for walks . We are fine after she settles down with just a plain nylon collar, but going to puppy obedience class or  being around other poeple or dogs---no way! I got the Sporn No Pull Harness and at first it seemed to work, but now she pulls like a husky in it. I know to release when she gives in and…