Walk · 5 min read · 5 June 2026
Harness vs Collar: Which Is Better for Walking Your Dog?
The harness-versus-collar argument usually misses the point: they do different jobs. A collar holds identification and is fine for a trained dog on a loose lead. A harness redistributes force away from the throat, which matters the moment a dog pulls.
Dogs that should always be on a harness
Brachycephalic breeds — pugs, french bulldogs, boxers — already have restricted airways. Any neck pressure makes it worse.
Small breeds prone to collapsing trachea (pomeranians, yorkies, chihuahuas), puppies still learning lead manners, and any dog with a history of neck or spinal issues should be on a harness.
Front-clip, back-clip or dual
Front-clip harnesses redirect a pulling dog towards you and are the best training tool for a dog that leans into the lead.
Back-clip harnesses are comfortable and tangle-free for dogs who already walk politely, and for small dogs.
Dual-clip harnesses let you use a double-ended lead — one clip front, one back — which gives the most control on a strong dog.
Fitting: the two-finger rule
You should be able to slide two flat fingers under every strap, and the chest piece should sit across the breastbone, not across the shoulder joints. A harness that restricts the shoulder alters gait over time.
Check the fit monthly on a growing puppy — weekly during growth spurts.
Keep the collar on anyway
In Australia, council registration tags and an ID tag are a legal and practical necessity; in the US and much of Europe, ID plus a microchip is the norm. Keep a flat collar with tags on, and clip the lead to the harness.