For Pomeranians, a harness is almost always preferable to a collar for walking and leash attachment. This breed is prone to tracheal collapse, a condition where the cartilage rings supporting the windpipe weaken over time. Any pressure applied to the throat through a standard collar can aggravate this condition or accelerate its onset. A well-fitted harness distributes leash pressure across the chest and shoulders, eliminating strain on the delicate trachea entirely.
Step-in harnesses and vest-style harnesses both work well for Pomeranians, and the best choice depends on your dog's tolerance for handling. Step-in models require the dog to place their front paws through two loops and are easy to put on without pulling anything over the head. Vest-style harnesses with side-release buckles or velcro closures offer a snug, secure fit and are harder for a small dog to back out of during walks.
Collars still serve an important purpose as a platform for identification tags and license requirements, even if they are not used for leash attachment. A lightweight, flat collar made from nylon or soft leather is appropriate for everyday tag-carrying duty. Ensure the collar fits snugly enough that it cannot slip over the head but loosely enough to fit two fingers between the collar and the dog's neck. Breakaway collars designed for small dogs add a safety feature that releases under pressure if the collar gets caught on an object.
Retractable leashes are generally not recommended for Pomeranians. The thin cord can cause injuries if it wraps around limbs, and the variable length makes it difficult to maintain control in potentially dangerous situations such as approaching traffic or unfamiliar dogs. A fixed-length leash of four to six feet provides consistent control while giving your Pomeranian enough room to explore comfortably during walks.