Choosing the right collar and leash setup for an Irish Terrier means balancing durability, control, and comfort for a breed that is strong-willed and surprisingly powerful for its size. A flat buckle collar made from nylon or leather in a medium width — roughly three-quarters of an inch to one inch — is the standard everyday option. It should fit snugly enough that you can slide two fingers between the collar and the dog's neck but not so loose that the terrier can slip out of it.
For walks and training, a front-clip harness is often a better choice than a collar alone. Irish Terriers can pull with considerable force when they spot something interesting, and a harness distributes that pressure across the chest and shoulders rather than concentrating it on the throat. Front-clip designs redirect the dog's forward momentum to the side, naturally discouraging pulling without applying uncomfortable pressure.
Leash selection depends on the walking environment. A standard six-foot leash made from nylon webbing or biothane provides good control in most situations. Retractable leashes are generally not recommended for Irish Terriers because the variable length makes it difficult to manage sudden lunges toward other dogs or small animals, and the thin cord can cause friction burns on hands or legs.
For training sessions or high-distraction environments, a shorter four-foot traffic leash gives the handler closer control. Double-ended leashes that clip to both the harness and collar simultaneously provide a backup connection — useful for Irish Terriers that are still learning leash manners or for situations where reliable control is essential, such as walking near busy roads.