Using this dog collar is easy. Just open the buckle, put the collar around your dog's neck, and close the buckle. Make sure it's not too tight or too loose. When using the matching lead, simply attach it to the collar's loop. As for maintenance, wipe the collar with a damp cloth from time to time to keep it clean. Avoid exposing it to excessive moisture or heat. If the collar gets dirty, you can use a mild soap to clean it, but be sure to dry it thoroughly. Also, regularly check the buckle and the overall condition of the collar for any signs of wear and tear. If there are any issues, replace the collar to keep your dog safe.