I have a dog who pulls on his lead, making taking him for a walk an absolute nightmare. I bought a harness which made no difference, he still pulled and I had given up. I saw this on amazon and thought I would give it a try, as it doesnt fasten round his neck....what an amazing difference. It was the first enjoyable walk I have had since getting the dog. Even the children were able to take control and walk him....a great product, and I would recommend to anyone!