A dog chews gear for one of four reasons: it has nothing better to do, it is anxious, it is teething, or chewing has worked before and gotten it something it wanted. Which one you're dealing with changes the fix completely. Boredom chewing happens when the dog is alone and unsupervised and looks the same every time. Anxiety chewing clusters around departures and confinement and often comes with drooling, pacing, or vocalizing. Teething is age-limited and ends. Attention-seeking chewing happens in front of you, because that's the only time it pays.
The other half of the answer is management, and it's the half most people skip. Gear left on a dog that isn't working is gear a dog can chew. Take the harness off when the dog is crated, resting, or in the yard alone, and most of the problem disappears without any training at all.
Boredom and under-stimulation
This is the most common cause in working and high-drive breeds, and it is the one people misread as spite. A Malinois left in a crate for nine hours with a nylon harness on will chew the harness, because the harness is the only thing in reach. Herding and hunting dogs were bred to work long hours; a suburban day gives them about forty minutes of anything.
The fix is not more exercise alone. A physically exhausted dog with an idle brain still chews. What reduces destruction is a combination of aerobic work and something that requires decision-making — scent games, a food puzzle, retrieve with rules, structured training sessions of five to ten minutes. Sniffing in particular tires dogs out of proportion to the effort. A thirty-minute walk where the dog is allowed to stop and read the ground does more than a forty-minute march on a tight lead.
Then give the chewing itself somewhere to go. Dogs chew because chewing is self-reinforcing — it feels good and it lowers arousal. Denying the behavior entirely doesn't work. Redirecting it to an approved object does.
Anxiety, including separation-related
Separation-related chewing has a signature. It starts within the first twenty to thirty minutes after you leave. It targets exit points — doors, crate bars, window frames — and objects that smell like you, which includes a harness you handle every day. There's often drooling, panting, or urination alongside it. If you're not sure, put a camera on the dog for one alone-session and watch the first half hour.
This is not a discipline problem, and correcting it makes it worse. Separation anxiety is treated with a graduated desensitization plan, sometimes with medication from a veterinarian, and it takes weeks to months. Anything that describes a quick fix is selling something. If your dog is injuring itself — bloody gums, broken nails, damaged teeth from crate biting — that's a veterinary conversation, not a training one. Call your vet.
Confinement anxiety is a related but separate thing: some dogs are fine alone in the house and frantic in a crate. Test both before you assume.
Teething
Puppies lose their baby teeth and cut adult teeth roughly between three and seven months, and the discomfort drives constant chewing. This phase ends. What you do during it matters, though, because a puppy that spends four months rehearsing on a nylon lead learns that nylon is a chew toy, and that lesson outlasts the teething.
Don't hand a teething puppy your gear to gnaw on because it's easier than fighting about it. Give it cold, textured, appropriate chew items and put the harness away.
Learned reinforcement
Some dogs chew because it works. The dog picks up the lead, you get up, you chase, and now leash-grabbing is the best game in the house. Or the dog mouths the harness during a walk and the walk stops, which is exactly what the dog wanted.
The tell is that it happens in your presence, not out of it. The fix is to stop paying for it: no chase, no eye contact, no verbal reaction. Then teach and pay a competing behavior — a solid "leave it," or a default down while gear goes on. Anything the dog can't do at the same time as chewing.
Practical prevention that actually works
- Take the harness off at rest. No harness on a crated dog, a dog left alone, or a dog sleeping. This one habit prevents most gear destruction.
- Store gear out of reach. A hook by the door at head height, not a pile on the floor.
- Hang leads wet, don't leave them out. Salt and food residue on a lead makes it worth chewing.
- Supervise the first weeks with anything new. Novelty invites investigation.
- Give an approved outlet, on your terms. Our Gauntlet Training Tug is a two-handled jute bite tug meant for reward work, not for leaving on the floor. Jute has give and a coarse weave a dog can get a full mouth on, which is why it's the traditional bite material. But it is a training object, and a dog left alone with it will eventually shred it — that's not what it's for.
- And something the dog keeps. The tug goes away after a session, which leaves the hours in between unanswered. The Bedrock Rubber Chew is the other half of it: moulded natural rubber with a hollow centre you pack with kibble or paste, so there is something legal to work on when nobody is playing with the dog. We don't call it indestructible and you shouldn't buy anything that does — the point is that the dog chews that instead of your lead, not that it lasts forever.
The part nobody in this category says out loud
Chewing is not a gear defect, and it is not covered by warranty. Not ours, not anyone's. Every brand in tactical and trail dog gear excludes chew damage, and we'd rather say that here than in fine print after you've bought.
The reason is simple. Nylon webbing, aluminum hardware, mesh, foam, leather — none of it is built to resist a determined dog with time and molars. Materials are engineered for load, abrasion, and weather. A dog's jaw is a different problem entirely, and the only material that would survive it would be too heavy and too stiff to wear. Chew-proofing gear means making gear you wouldn't want.
So the answer is management, not materials. Gear off at rest, gear stored high, and a real outlet for the chewing.
If you're replacing something a dog already ate, the Slackline Bungee Lead has an elastic section in the middle that absorbs a lunge instead of transmitting it to your shoulder — worth knowing if the chewing started with leash frustration. The rest of the harnesses, collars and leads live in Tactical & Trail, and there's more on managing a high-drive dog in more Field Guide articles.