Sit Means Sit Dog Training changed my life! I love my dogs so much but no matter how hard I tried they would never listen and could definitely never be off a leash at all anywhere! After my dog Domino got trained from Sit Means Sit he is a completely different dog when it comes to listening and paying attention! I recently just bought a collar for my other dog and now both of my dogs can play in our yard with no leash! And they are perfect angels on every walk! You won’t find a training collar like theirs anywhere! I highly recommend Sit Means Sit for any dog.