Why a Good Y-Harness Is Better Than a Collar – for Almost Every Dog

We agree: training, raising, and relaxing walks are the foundation. But the equipment you choose also affects your dog's well-being and health. And that's where the Y-harness comes in.

1. What Does Science Say?

• Neck & trachea: Pulling on a collar increases pressure on the larynx, trachea, and spine. Research shows that this also increases eye pressure (Pauli et al., 2006).

• Small dogs: Extra sensitive; in them, chronic pulling can lead to tracheal collapse (O’Neill et al., 2020).

• Even in adult dogs: Even if a dog walks nicely on a leash, an unexpected jerk can always occur – a cat crossing the street, a bicycle speeding past. Even then, all the force on a collar goes directly to the neck.

👉 A good harness therefore protects not only during the learning phase, but for a dog's entire life.

2. Why a Good Y-Harness Helps

Not every harness is a good harness – we completely agree on that. Many harnesses on the street are too heavy, constrict, or slip.
A lightweight, well-fitting Y-harness:

• distributes the pressure over the chest and shoulders,

• allows the shoulders to move freely,

• prevents pressure on the neck,

• is comfortable and safe, even during unexpected jerks.

• ensures that the dog does not have to step into it and does not have to go over the head

3. Common Concerns About Harnesses

• “All harnesses are heavy and restrict movement”
  → True for poor designs. That is why we choose Happy Dog harnesses: lightweight, flexible, and anatomically shaped.

• “A harness makes dogs pull more”
  → Pulling is a behavior, not a characteristic of the harness. It requires training, just like with a collar.

• “A dog can also learn perfectly well with a collar”
  → Absolutely true. But even a well-behaved dog can suddenly put tension on the leash. Then the difference is: pressure on the neck or safely distributed over the body.

4. For Puppies: A Healthy Start with the Puppy Service

Puppies are extra vulnerable. That is why we offer a puppy service: throughout the entire growth period, your puppy will always get the right harness parts, and at the end, a brand-new harness in the colors you want. This way, your puppy grows not only in behavior, but also in comfort and health.

5. 

Nuance: When a Collar Can Still Be Useful (Temporarily)

Although we clearly prefer a well-fitting Y-harness, there are situations in which a collar can still be an option:

• Medical reasons – for example, after surgery or with skin problems on the chest where a harness would chafe.

• Very short potty breaks – when the dog hardly walks on a leash and there is no chance of pulling.

• Training and acclimation – some dogs find a harness scary at first; a collar can temporarily be an intermediate step.

• Practical convenience – for dogs that usually walk off-leash and only need to be on a leash for a very short time.

• Extra safety – a collar with a tag can be useful as an extra backup in case a dog ever escapes from its harness.

👉 Important here: a collar is only safe when there is no tension on the leash. As soon as pressure or a jerk occurs, you run the risk of damage to the trachea, nerves, and vertebrae. That is why the Y-harness remains the most comfortable and healthy choice for most dogs – even for adult dogs that walk nicely on a leash.

6. Our Approach at Dogsen

• 20 years of experience exclusively with well-fitting Y-harnesses.

• Personal advice, including tips on leash handling and stress signals.

• No dog school – we are happy to refer you.

• But we are specialists in comfort and health, for puppies and adult dogs.

✨ Happy owners, healthy dogs – from puppy to senior.
That is what we do it for at Dogsen.