Nail trimming is the grooming job owners dread most — usually because of one small structure called the quick. Yet overgrown claws are not just untidy: they splay the toes, alter a dog's gait and can curl into the pad. Done with the right tool and a little technique, a trim is quick and painless. This guide compares clippers and grinders, explains the quick and how to handle the occasional nick, and helps you choose for your pet's size and coat.
Scissor (plier) clippers
Scissor-style clippers — also called plier clippers — use a strong spring handle and two curved blades that close around the nail. They give the most leverage and control, which makes them the default for medium and large dogs and thicker claws. Look for sharp stainless blades and a comfortable, non-slip handle; many include a safety guard that limits how much nail can pass through.
Guillotine clippers
A guillotine clipper has a hole you slide the nail into and a single blade that rises to cut. They are neat and easy to line up for small and medium dogs and cats, and the blade is replaceable when it dulls. They suit thinner nails best; for very thick claws, a scissor clipper gives more cutting power.
Nail grinders
A rotary grinder files the nail down rather than cutting it, leaving a smooth, rounded tip with no sharp edges. Grinders shine in two situations: dark nails, where you cannot see the quick and want to take tiny amounts at a time, and nervous dogs who tolerate a gentle buzz better than a sudden snip. Work in short passes, let the pet get used to the sound, and avoid heat build-up by not lingering on one nail. Toolsmith’s own pet nail range currently centres on precision nail clippers; if you prefer a grinder, the short-pass technique above applies to any quality rotary tool you choose.
The quick — and styptic powder
The quick is the blood vessel and nerve inside the claw. On pale nails it shows as a pink core — stop a few millimetres short of it. On dark nails you cannot see it, so take small slices and watch the cut face: a grey or pink dot in the centre means you are getting close. If you do nick the quick, do not panic — press a little styptic powder onto the tip to stop the bleeding quickly. Keeping a pot of styptic powder — a pet first-aid staple — within reach is the single best way to take the fear out of trimming.
Cats and small pets
Cats need only small scissor-style clippers. Gently press the toe pad to extend the claw, and trim only the clear, curved tip well clear of the pink quick. Little and often keeps the claws blunt without stress, and the same applies to rabbits and other small pets.
Choosing and technique
Match the tool to the job: scissor clippers for big dogs and thick nails, guillotine or small scissors for cats and small breeds, a grinder for dark nails or anxious pets. Whatever you use, trim little and often — frequent small trims keep the quick receded and the claws short. Reward generously, keep styptic powder within reach, and a dreaded chore becomes a two-minute routine.
For clipping coats and the wider grooming kit, see our companion guides — and shop our pet nail clipper and grooming range below.




