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Advanced Groomers

Why a Longer Comb Stroke Can Make a Tangle Harder

Understand how fibres can gather ahead of a comb, and use that observation to choose a controlled next step.

4 min read Updated 14 September 2026

Groomer holding a VUNRO Double Skip Pin Comb securely beside a silver Schnauzer

When a comb stops, the obstruction is not necessarily staying in the same place. Fibres can move ahead of the teeth and gather into a tighter problem. That is one reason a longer stroke can become harder even when the first few centimetres felt easy.

For an experienced groomer, the useful question is not simply “Which comb gets through?” It is “What changed between the start of the stroke and the point where I stopped?”

A tangle is a moving arrangement of fibres

A 2022 mechanics study used a single tine to separate two twisted nylon filaments. The experiments and model examined how tangles travelled and accumulated ahead of the tine, with the free end allowing unwinding. This deliberately simple system helps explain why the length and position of a stroke matter. It did not test canine skin, a complete grooming comb or a safe pulling force for dogs. Read the original detangling study.

Look at the obstruction before choosing the next action

After stopping, release the load and inspect the accessible section. Is loose coat collecting ahead of the pins? Is there an isolated tangle that you can clearly distinguish from the surrounding hair? Or is there a compact area whose relationship to the skin you cannot see?

Those are different working situations. A comb that removes accessible loose coat does not make a dense mat suitable for continued combing. Where the skin is obscured, the dog is uncomfortable or the coat cannot be handled without sustained tension, change the plan. Discuss an appropriate professional removal approach and veterinary input where skin condition or pain requires it.

A detangling product may be appropriate for a manageable tangle when its directions and the dog's circumstances allow. It does not turn an unsafe mat into a safe combing task, and it is not permission to add force.

Compare short sections without creating a pulling test

Use the following as a coaching observation during work that is already appropriate for the dog. Start with an accessible section, keep the surrounding coat supported without pinching skin, and stop as soon as the movement becomes restricted. Notice where the restriction first develops.

After releasing the section, inspect the comb and the hair. A deposit of loose coat on the teeth gives you different information from repeated resistance in the same compact area. Do not keep repeating the stroke simply to prove the pattern.

For training, a detached practice sample is a better place to demonstrate how fibres collect ahead of a comb. It lets a tutor show the difference between a small controlled movement and a long sweep without asking a dog to tolerate the experiment.

Match the comb to the inspection

The VUNRO 6-inch Double Skip Pin Comb uses an alternating pin arrangement for working through suitable coat sections. The 5-inch Coarse and Fine Straight Comb gives you two spacings for a different sort of check. Choose the tool that lets you control and observe the section; moving to finer teeth is not a test the dog must pass.

Keeping both options in the kit is useful when they have distinct jobs. It is less useful if changing combs becomes a way to continue an unsuitable task.

Write down the useful distinction

“Resistance increases as loose coat collects near the end of this section” is a more useful handover than “very tangled”. So is “compact mat close to skin; combing stopped”. The first describes a working observation. The second records a limit and a change of plan.

For the next step, read our guide to coarse and fine comb checks. Good technique starts with understanding what resistance means, rather than treating every stop as a challenge to overcome.

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