A local chiropractor is offering a buy one, get one free service for you and your pet. Doug Luther of Pure Chiropractic Center in Bellevue has been adjusting the backs of pets and their parents and having a great time doing it. According to one patient, her dog Max has been sleeping better at nights after each session. Doug has gotten so well-known about his pet treatments that he has treated dogs in the Iditarod. Currently, the doctor sees four-legged patients for free when accompanied by a two-legged paying patron. He’s also treated cats, goats, and horses.