Dog collars to avoid
An inappropriate collar can exacerbate behavioral problems, making the dog even more nervous or reactive . That's why it's essential to know which types of collars to avoid so as not to worsen their condition. Here's an in-depth analysis of collars that can cause problems, whether for docile, anxious, or aggressive dogs.
⚠️ WARNING
All the collars mentioned in this article are strongly discouraged by our team. We believe in positive, non-punitive training . Such collars should be banned from sale.

Tools based on pain and fear
1. The choke collar (or chain collar)
A choke collar is a collar that tightens abruptly around a dog's neck when it pulls on the leash. Although used by some, it is strongly discouraged for anxious or aggressive dogs.
- Panic effect: An anxious dog may panic when the collar tightens, reinforcing stress and anxiety .
- Risk of injury: It puts excessive pressure on the trachea and neck, increasing the risk of physical injury (throat, nerves).
- Reinforcement of aggression: The feeling of suffering or being imprisoned can cause an aggressive dog to become more reactive .
2. The spiked collar (or claw collar)
This collar is designed to apply painful pressure to the neck. Even though the idea is to simulate a natural correction, for sensitive dogs, it presents considerable risks:
- Pain and discomfort: Pain reinforces fears, creating a negative association with the walk and the owner.
- Defensive behavior: When faced with pain, dogs may adopt an increased defensive posture , feeling threatened.
- Escalation effect: A dog that constantly feels attacked may intensify its aggression.
3. The electronic collar (or pulse collar)
This tool delivers an electric shock or vibration to correct behavior. It should be absolutely avoided for anxious or aggressive dogs.
- Reinforcement of anxiety: Receiving a shock, even a weak one, is traumatic and amplifies existing fears.
- Risk of increased aggression: The dog may associate the discomfort with an external element (another dog, a person) and react offensively or defensively .
- Emotional impact: Can damage the relationship of trust between the owner and the dog.
Collars as a source of stress and confusion
Necklaces that are too tight or unsuitable
A poorly fitted collar creates constant pressure points on the neck, which is particularly harmful:
- Feeling of confinement: A collar that is too tight increases stress levels and agitation , making the dog more likely to react with aggressive behavior.
- Chronic pain: Chronic pain in the cervical region can reinforce avoidance and escape behaviors, or conversely intensify reactivity.
Vibration or sound collars
Although less aggressive, they are not always suitable for anxious or aggressive dogs:
- Sensory overload: An anxious dog can be easily disturbed, which worsens its stress level in the face of unpredictable situations.
- Confusion: These collars don't always help the dog understand what's expected of it. This confusion can lead to undesirable behaviors like excessive barking.

Why avoid these collars and what are the solutions?
All types of punishment collars intensify emotional and behavioral problems. Using a collar that causes pain, discomfort, or confusion only reinforces the negative emotions already present in the dog, making the problem more difficult to treat.
Alternative solutions for anxious or aggressive dogs
For dogs suffering from anxiety or behavioral problems, it is essential to prioritize solutions based on gentleness and positive training :
- Y-shaped anti-pull harness : Allows for better control without pressure on the neck. It distributes pressure across the dog's body, reducing discomfort and the risk of injury.
- Nylon or fabric collars : Offer a good compromise for dogs that don't like rigid collars. They should be snug (but never excessively tight).
- Positive training: Associate the use of equipment (harness or collar) with rewards and positive experiences to reinforce good behavior without resorting to punitive techniques.
Always seek professional dog trainers who specialize in managing dogs with anxious or aggressive behavior for appropriate support.