Using a harness for dogs instead of a collar has huge benefits. There are many types of dog harnesses out there, and finding the best adult dog or puppy harness might seem like a daunting task. This Whole Dog Journal review of harnesses does all of the trial and error work of finding a quality harness for you! For dogs who pull on leash, WDJ strongly prefers harnesses over choke chains, prong collars, shock collars, and even flat collars and head halters.