Carter has walked both my dogs, Archie and Piper for a few years. With Piper being an older dog, Carter is able to gauge how long or short the walks need to be according to how Piper is feeling that day. Archie my three-year-old retriever is a very large dog. Carter has no problems controlling Archie as he tends to be a dog that pulls. Both dogs get super excited when Carter comes to walk them. When they get back, they are completely exhausted and super happy. I would highly recommend Carter for dog walks and pet care.