Collar selection for a Whippet requires more thought than for most breeds because of their distinctive neck anatomy. Whippets have long, slender necks that are nearly the same circumference as their skulls, which means standard flat buckle collars can slip off with alarming ease if the dog pulls backward or startles. This is not a training issue — it is a structural reality of the breed. For this reason, sighthound-specific collars, often called martingale collars, are the standard recommendation for Whippets.
Martingale collars feature a limited-slip design that tightens slightly when the dog pulls but cannot constrict beyond a set point. This prevents escape without posing a choking risk. They are available in fabric, leather, and combination styles. When fitted correctly, a martingale should be loose enough to sit comfortably on the neck when relaxed but snug enough when tightened that the dog cannot back out of it. Wide martingales — two to three inches — are preferable to narrow ones, as they distribute pressure across a broader area and reduce the risk of irritating the Whippet's delicate skin.
Harnesses are an excellent alternative for walking, particularly for Whippets that tend to pull or for use with long lines. A well-fitted harness transfers leash pressure to the chest and shoulders rather than the neck, which is safer and more comfortable. Look for harnesses with padded chest panels, adjustable straps at both the chest and girth, and a snug fit that does not restrict the Whippet's front leg movement. Because Whippets have deep chests and narrow waists, generic one-size harnesses rarely fit well — sighthound-specific designs or fully adjustable models yield the best results.
For leashes, a standard six-foot nylon or leather leash is appropriate for everyday walks. Retractable leashes are generally not recommended for Whippets, as the thin cord can cause friction burns on skin or hands if the dog bolts, and the locking mechanism may not respond quickly enough to stop a Whippet in full sprint. A hands-free waist leash can be convenient for jogging, though the handler should be prepared for sudden directional changes driven by the dog's prey instincts.