My dog can now walk for 2,5 mts around, and she is now happier than ever! The button just stops the leash, you have a lock to keep it at certain distance if you want (very usefull). The metal clip doesn't seems to be "good quality" at first sight, but, when you use it, works perfectly.... My dog can now walk for 2,5 mts around, and she is now happier than ever! The button just stops the leash, you have a lock to keep it at certain distance if you want (very usefull). The metal clip doesn't seems to be "good quality" at first sight, but, when you use it, works perfectly. If you have any dog, from 5~7 kg, this leash is for him/her! You will make it happier for the opportunity to walk around in a safe area around you, instead of being too much close to you. Thumbs up for this! Read more