At NorthShore Canine Academy, I believe every dog deserves to be trained with kindness, patience and respect. That’s why my approach is built on force-free dog training—reward-based methods that teach your dog what to do instead of punishing what not to do. My goal isn’t simply to stop unwanted behavior. It’s to help dogs feel safe, confident and understood, while giving owners the tools to communicate clearly with their canine companions.

For that reason, I never use choke chains, prong collars or shock (electronic) collars.
These devices rely on pain, discomfort or fear to suppress behavior. They may appear to produce quick results, but they don’t teach a dog what to do instead, and they don’t address the underlying reason the behavior is happening. More importantly, they can leave lasting physical and emotional consequences—damaging both your dog’s wellbeing and the relationship between the two of you.
Here’s the science behind why I choose a different path.
The Physical Risks of Aversive Training Tools
Choke Chains
Choke chains tighten around a dog’s neck whenever pressure is applied to the lead. They can cause:
- Damage to the trachea (windpipe)
- Neck muscle strain
- Bruising and soft tissue injury
- Increased pressure on the thyroid gland
- Injury to the cervical spine
- Damage to blood vessels supplying the brain
- Increased eye pressure, which may worsen certain eye conditions
- Chronic neck pain over time
Prong Collars
Prong collars are designed to cause discomfort by pressing metal prongs into a dog’s neck. Potential consequences include:
- Skin punctures and irritation
- Bruising
- Pressure sores
- Hair loss
- Neck and spinal injuries
- Nerve damage
- Pain when the dog lunges or is suddenly startled
Shock (Electronic) Collars
Shock collars deliver an electric stimulus through electrodes positioned against a dog’s neck. Possible effects include:
- Burns beneath the contact points
- Skin irritation
- Muscle pain
- Increased heart rate
- Elevated stress hormones
- Anxiety associated with anticipating the next correction
The Emotional Impact of Punishment-Based Training
The emotional effects of punishment-based training are often even more concerning than the physical injuries.
Dogs are emotional beings. They learn by making associations with what’s happening around them. If a dog feels pain while another dog, a child, a cyclist or a stranger is nearby, it may connect that pain to the person or situation rather than to its own behavior.
Instead of learning “Don’t pull on the lead,” the dog may learn “Other dogs are frightening,” or “Children make bad things happen.” This is how new fears are created.
How Fear Turns Into Aggression
One of the biggest misconceptions about aggression is that it appears “out of nowhere.” In reality, aggression is very often rooted in fear.
A frightened dog usually communicates long before it bites. It may look away, freeze, lip lick, yawn, tuck its tail, crouch, growl or bark. These are important warning signals—the dog telling us it’s uncomfortable and asking for more space.
When those signals are repeatedly punished with a choke chain, prong collar or shock collar, the underlying fear doesn’t disappear. Instead, the dog learns that expressing fear leads to even more discomfort. Over time, that fear can intensify.
Eventually, some dogs stop giving warning signals altogether, because they’ve learned those behaviors are ineffective or punished. They may then bite with little or no warning, because biting has become the only behavior that reliably makes the frightening situation go away.
This is why aversive devices can actually increase the risk of aggression rather than prevent it.
As a behavior professional, I don’t ask, “How do we stop the behavior?” I ask, “Why is the dog behaving this way?” Understanding the emotion behind the behavior is what allows us to create lasting change without fear or pain.
Chronic Stress and Anxiety in Dogs
Dogs trained with aversive methods often live in a constant state of uncertainty. Long-term stress can result in:
- Elevated cortisol levels
- Hypervigilance
- Reduced ability to learn
- Sleep disruption
- Digestive issues
- Increased reactivity
- Lower confidence
A dog that feels safe can learn. A dog that feels frightened is simply trying to survive.
Learned Helplessness: When “Calm” Isn’t Really Calm
Sometimes punishment appears to “work” because the dog simply gives up. This is known as learned helplessness—a psychological state in which a dog stops trying because it believes it has no control over what happens to it.
These dogs may look calm, but they’re often emotionally shut down rather than genuinely relaxed. That’s not the kind of relationship I want for any dog or owner.
What I Do Instead: My Force-Free Dog Training Approach
At NorthShore Canine Academy, my force-free dog training is built on reward-based methods supported by modern behavioral science. Every training plan is designed to:
- Build confidence
- Reduce fear and anxiety
- Strengthen the relationship between dog and owner
- Teach dogs what to do rather than simply punishing what not to do
- Address the underlying cause of behavior instead of suppressing it
Whether I’m working with a puppy, an adolescent dog, or a dog struggling with fear, reactivity or aggression, my focus is always the same: lasting behavioral change built on trust, understanding and clear communication.
Every Behavior Has Meaning
Dogs aren’t stubborn, spiteful or trying to dominate us. Every behavior serves a purpose—it may be driven by fear, excitement, frustration, anxiety, confusion, or simply because the behavior has been rewarded in the past.
When we understand why a dog behaves the way it does, we can teach in a way that’s compassionate, effective and lasting.
Frequently Asked Questions
Are choke chains, prong collars and shock collars dangerous for dogs? They can be. Because these tools work by applying pain, pressure or discomfort, they carry real physical risks—from neck and spinal injuries to skin damage and burns—as well as emotional risks like anxiety and increased fear. That’s why I choose force-free alternatives that don’t rely on discomfort.
Do shock collars actually work for training? They can suppress a behavior in the moment, but suppressing a behavior isn’t the same as teaching a dog what to do instead. Shock collars don’t address why a dog is behaving a certain way, and they can create new fears or worsen reactivity over time.
Can force-free training help an aggressive or reactive dog? Yes. Because most aggression and reactivity are rooted in fear, reward-based training is especially effective for these dogs. Rather than punishing the warning signals, we work to change the underlying emotion so the dog genuinely feels safer.
How long does force-free dog training take? Every dog is different, and timelines depend on the dog’s history, the behavior we’re working on and how consistently the plan is followed at home. What I can promise is steady, lasting progress built on trust rather than quick fixes that fade or backfire.
My Promise to You
When you choose NorthShore Canine Academy, you’re choosing a training philosophy built on science, compassion and respect.
I will never use fear or pain to teach your dog. Instead, I’ll help you understand your dog’s behavior, build your dog’s confidence, and strengthen the bond you share.
Because the best-trained dogs aren’t the ones who obey because they’re afraid. They’re the ones who choose to listen because they trust the person at the other end of the leash.
Ready to start force-free dog training with your dog? [Get in touch with NorthShore Canine Academy] to book a consultation.
Sophie Amphlett Owner & Head Trainer, NorthShore Canine Academy