After decades of looking for the right leash, we’ve landed on this one. We like to take collars off when we know our dogs will be relaxing at home and especially at night. With this leash, as far as my husband is concerned, there’s no need for a collar (I like the added security of a collar). But, it is just so easy to use. We walk with them on leash while in town, but once we get to an open area, we let them off and play, but put them back on if anyone comes within jogging distance. With this, it’s sooo easy, plus they literally come and run right into it when we hold it open. Finally, if they get insecure, they don’t slip out of their collars with it because it gently snugs up. We’ve only replaced them because we lose them or puppies have chewed them.