Choosing the right collar for a Kerry Blue Terrier requires balancing durability with comfort around the breed's dense, soft coat. A flat buckle collar in nylon or leather is suitable for everyday identification and tag carrying, but it should be fitted carefully to avoid matting the coat around the neck. Check the fit regularly, as the Kerry Blue's continuously growing hair can change the effective tightness of a collar over time. You should be able to slide two fingers comfortably between the collar and the dog's neck.
For walking and training, a front-clip harness is generally a better choice than a collar for Kerry Blue Terriers. This breed is strong and can pull with surprising force when excited, and a harness distributes that pressure across the chest and shoulders rather than concentrating it on the throat. Front-clip designs redirect the dog toward you when they pull, making them effective training tools without the aversive effects of choke or prong collars, which should be avoided entirely for this breed.
A standard six-foot leash in leather or heavy-duty nylon provides the best balance of control and freedom for daily walks. Avoid retractable leashes, as they provide inconsistent tension that can encourage pulling and offer insufficient control in situations where a Kerry Blue's prey drive or dog-directed reactivity requires immediate management. A shorter four-foot traffic leash is useful for crowded environments, veterinary visits, or any situation where close control is needed.
For off-leash training or long-line work, a 15 to 30-foot biothane or nylon long line allows your Kerry Blue to practice recall and explore while maintaining a safety tether. Biothane is particularly practical because it resists dirt, water, and odor absorption, and it does not tangle as easily as rope or nylon webbing. Long lines should only be used in open areas free of obstacles that could snag or wrap around the line, creating a danger for both dog and handler.