Using this Coastal Pro Dog Leash is easy. Just attach it to your dog's collar through the buckle. You can also use the D - ring to add fun accessories like small bells or poop bag holders. When you're walking your dog, hold the leash firmly but not too tightly. As for maintenance, it's simple. You can clean the leash with mild soap and water if it gets dirty. Let it air - dry completely before using it again. Also, check the leash regularly for any signs of wear and tear, especially the D - ring and the buckle. If you notice any damage, it's best to replace the leash to ensure your dog's safety.