Choosing between a collar and a harness for a Skye Terrier depends on the individual dog and the activity at hand. For everyday identification and tag-carrying purposes, a flat buckle collar or breakaway collar in a medium-small size works well. The collar should sit comfortably around the neck with enough room to fit two fingers beneath it, and it should be checked regularly as the Skye Terrier's thick neck fur can make it difficult to gauge proper fit by sight alone.
For walks and leash training, a well-fitted harness is generally the better choice for this breed. Skye Terriers have a long, low body that can experience strain on the neck and trachea from collar-based leash pressure, especially if the dog tends to pull. A back-clip harness distributes force across the chest and shoulders, reducing the risk of injury. Front-clip harnesses are useful for training purposes, as they redirect the dog's forward momentum when it pulls.
Leash selection should account for the Skye Terrier's moderate exercise needs and occasionally independent terrier attitude. A standard six-foot leash made from nylon, leather, or biothane provides good control without being excessively long. Retractable leashes are generally not recommended for this breed, as they provide inconsistent tension and can encourage pulling behavior, and the thin cord can become tangled in the Skye's long coat.
For Skye Terriers with particularly long or flowing coats, look for harnesses and collars with smooth, rounded edges and minimal hardware that could catch or matt the fur. Some owners prefer harnesses with a step-in design rather than overhead styles, as pulling a harness over the head can disturb the Skye's characteristic ear and head furnishings.