Never thought I would ever use a prong collar as the name itself make it sound so harsh however, after a discussion with my trainer, who also said the same thing to me and after he showed me his I decided to purchase one. I have also seen him in action with one and he advised me which one to purchase plus showed me how to use it. I have only been using it a few days and already I have noticed a huge improvement in loose lead walking around distractions. Previously my dog was great when no distractions but a nightmare with. My dog would sooner wear a prong collar now rather than a halti which she hates, when used correctly works fantastic without hurting your dog but you should always get advice and training before using one. Its well made and good quality, I also like the twin o rings, as my dog is dark brindle the black collar is hardly noticeable on her.