A well-fitted collar is the baseline accessory for every Wirehaired Pointing Griffon. A flat buckle or quick-release collar in nylon or biothane works well for everyday wear and ID tag display. The collar should fit snugly enough that two fingers can slide beneath it but not so loose that it could slip over the dog's head. The Griffon's neck is moderately thick and muscular, so measure carefully rather than guessing at size — most adults fall in the 16 to 20 inch range.
Harnesses are the better choice for leash walking, particularly for younger dogs still learning leash manners or for Griffons that pull when they catch an interesting scent. A front-clip harness redirects pulling force toward the handler and discourages the dog from lunging without putting pressure on the trachea. Back-clip harnesses are comfortable and suitable for dogs that already walk politely but offer less mechanical advantage for managing a strong dog that surges forward.
For hunting and field work, a high-visibility orange or blaze collar is essential for safety during hunting season regardless of whether the dog is actively working. Many field owners also use a bell collar or beeper collar that allows them to track the dog's location and movement in heavy cover. These specialized collars serve a safety function that goes beyond everyday identification.
Leash selection depends on context. A six-foot leather or biothane leash is the standard for training and structured walks, offering good grip and durability. Long lines of fifteen to thirty feet are invaluable for recall training and controlled off-leash practice in open areas. Retractable leashes are generally discouraged for Griffons because the thin cord offers little control over a strong, fast dog and can cause rope burns or entanglement injuries.