Before You Begin
A tangle may begin with a few hairs caught together, then tighten through friction, moisture or brushing only the outer layer. Common places include behind the ears, under the legs, around a collar or harness, and along the belly and legs of a long-haired pet. Not every knot needs clipping, but a dense mat can make home attempts uncomfortable. The useful skill is knowing when to work gently and when to stop.
A small, loose knot
If you can lift the knot and clearly see space between it and the skin, support the base of the coat with one hand. With your fingers or a suitable comb, work from the outer edge inward a few hairs at a time. Keep the session brief and offer a break. If your dog or cat stiffens, freezes, growls or moves away, there is no need to finish the task in one sitting.
A tight, skin-close mat
Do not slide scissors beneath it: skin may be pulled into the mat and the boundary can be hard to see. Do not soak a dense mat hoping it will open by itself, and do not pull hard. Send a clear photograph to a groomer, noting its location and how long it has been there. In some cases, professional removal of the tangled area is kinder than trying to preserve coat length at any cost.
Preventing the next tangle
After grooming, ask for a demonstration of brushing through the inner coat, especially at friction points. Adjust frequency to the coat and your pet's tolerance. Check beneath a harness after walks and dry a long coat fully after bathing. Several calm minutes regularly are usually easier than a long session once the coat is already packed.
When to contact a vet
Pain, a wound, unusual smell, discharge or a sudden skin change cannot be solved by brushing. Ask a veterinarian to assess it. A groomer can manage coat condition but does not diagnose medical problems. Tell the team about any area your pet will not allow them to touch.