Course 03 · Brushing and Combing · Lesson 3 of 12
What is line brushing, and when is it used?
Line brushing is brushing the coat in narrow, parted lines from skin outward, used for dense, double, curly and long coats to reach the undercoat and find hidden tangles.
Line brushing is brushing the coat in narrow, parted lines, working from the skin outward one line at a time, and it is used for dense, double, curly and long coats where surface brushing leaves the undercoat untouched. The name comes from the line of skin exposed when the coat is parted, and each line is brushed before the next line is parted. It is the most thorough form of section brushing, and it is the technique groomers use to check that a coat is fully brushed out. It takes longer than general brushing, but it finds packed undercoat, hidden tangles and early mats that other methods miss. For short, smooth coats it is usually unnecessary, but for dense coats it is the standard to aim for during shedding and before bathing.
How is line brushing done, step by step?
Part the coat with a comb to expose a line of skin, usually starting low on the body and working upward, or starting at the rear and working forward in a consistent order. Hold the coat above the line with the free hand, and brush the exposed strip from the skin outward, using light, even strokes with a slicker brush. When the brush passes through the strip without snagging, part the next line just above it and repeat. The lines should be narrow, often only a centimetre or two wide for dense coats, so the brush reaches every hair. The handler should keep the dog comfortable, pause for stress signals, and work in short sessions, since line brushing a whole dense coat can take a long time and should not be rushed into a single exhausting sitting.
When is line brushing needed, and when is it not?
Line brushing is needed for double coats during shedding, for curly coats that hide tangles, for long coats that mat at friction points, and before bathing, since a coat that is not fully brushed out will mat more readily when wet. It is also useful after a period without grooming, such as a holiday or illness, when the coat needs a thorough check. It is not usually needed for short, smooth coats, which can be brushed generally and checked with a comb, or for a daily maintenance brush of a coat that is already tangle free. Using line brushing every day on a coat that does not need it wastes time and patience, while skipping it when a dense coat needs it wastes the brushing altogether. The coat and the comb check should decide.
What tools and pressure suit line brushing?
A slicker brush is the usual tool for line brushing, with a comb for checking each line after it is brushed. The brush should have smooth, angled pins that do not scratch, and pressure should be light, with the free hand holding the coat above the line to protect the skin. Pressing hard does not reach the undercoat faster, and it can irritate skin and break hair. An undercoat rake can help during heavy shedding, but it should be used gently and only where the coat needs it, since aggressive raking can damage guard hairs. A light grooming spray made for dogs can help in some cases, but it should be used sparingly and only if it suits the dog skin. The test of success is a comb that passes through each line without snagging.
What mistakes make line brushing ineffective?
Common mistakes include parting lines that are too wide, brushing over the top without parting, pressing too hard, working too fast, and skipping friction points. Another mistake is line brushing a wet coat, which can stretch and break hair, or line brushing a matted coat as if it were a tangled one, when the mat needs professional help. A further mistake is continuing when the dog is distressed, since a thorough technique done on a frightened dog teaches fear rather than tolerance. Line brushing should be done on a dry coat, in a calm space, with the dog free to pause, and it should stop if a mat is found tight to the skin. The technique is thorough, but it is not a rescue technique for severe matting.
What does a workable checklist look like?
- Dry coat, slicker brush, comb, non-slip surface. 2. Part narrow line, hold coat above. 3. Brush skin outward, light pressure. 4. Comb check each line before moving on. 5. Cover friction points, split long jobs across sessions.
When should you stop and get help?
Stop and get groomer help if a line reveals a tight mat, if brushing causes pain or bleeding, or if the dog panics. Do not force a brush through a mat, do not cut a mat out, and do not use a blade tool without hands-on training. Get vet help for pain, broken skin, red or discharging ears, wounds or lumps. Line brushing is a maintenance and checking technique, and it should never be used to work through a coat problem that needs professional hands and eyes in person.
Line brushing is the difference between a coat that looks brushed and a coat that is brushed, and the extra minutes it takes are repaid in fewer mats, less shedding around the home, and a clearer picture of the skin beneath.
Further reading
- American Kennel Club, grooming guidance
- PDSA, dog care guidance
- RSPCA, pet care guidance