Using this dog collar is easy. Just adjust the collar to fit your dog's neck by pulling the nylon strap through the metal buckle until it's snug but not too tight. When tying your dog out, make sure to attach the leash to the metal buckle securely. As for maintenance, you can simply hand - wash the collar with mild soap and water. Let it air - dry completely before putting it back on your dog. Keep in mind to regularly check the collar for any signs of wear and tear, especially the metal buckle. If you notice any damage, replace the collar right away to ensure your dog's safety.