Sherpa Ultrasonic No Pull Dog Training Lead, Black (77727), one Size

Do not waste your money on that. Useless low quality garbage. Did not work for my dog at all. My dog indeed very sensetive to wierd noises not this one was though. The clip broke after one time use. So cheap quality.

First day we tried it, it worked great! Unfortunately, with each day's use, it was less and less effective until, after about a week, he was totally ignoring it. I even changed the batteries just on case the first ones were gradually draining. That made no difference.

A friend recommended this device for my slender/muscular 90 pound labmariner who liked to keep a strong heavy pull on his leash - even with a choker. I'm not young and it was reaching the point where he was almost taking me on walks (which is unacceptable). Even doing the positive stuff trying to offer treats for good behavior didn't work at all while walking. He was just too excited...even at 5 years old. In less than 5 minutes with this device he became a perfect gentleman! Now we both enjoy our walls and I don't even have to turn the device on!

I bought this product to help my mother walk our rambunctious goldendoodle. He tend to pull her when she takes him on her daily walk. I really thought this device would be a God send for my mother but it's as if we didn't even buy it. I followed the directions before using it and it doesn't work. The noise it makes to make the dog stop pulling doesn't stop my dog from pulling. It really is as if the device wasn't there on making noise. I would not repurchase or waste my money again on this device. If it wasn't because my mom threw away the packaging I would return it in a heart beat. 100% want my money back. Don't buy doesn't work.

Didn't seem to determine my 70lb lab from pulling in her harness. Then I attempted to pull her back when she lunged, and the unit failed, some plastic internal components are not reinforced. :-( I like the concept, but execution and quality seem lacking.

Built sturdy, does not affect my dogs. Still think they are a Bob sled team.

This product had absolutely no effect on my 2 dogs. If I held the unit up to my ear and set the volume on the high setting, I could hear a faint noise indicating that it is working when I pulled the tension part of the device.

The concept is there but it is too big and noisy to put so close to the dog's head. You are suppose to attach it to the dog's harness/collar, then the leash/lead to the other end; so basically it sits on the dogs back and is not that light. It is a durable piece of equipment so my dogs were constantly trying to run from it. It made them anxious. I liked the concept but it was much harder to pull apart to make the noise needed to get the dog's attention.

This was bought as a gift for my daughter who has a young pup. She has tried it several times and it doesn’t work for her dog. She also said that it was heavy on the leash.