The one rule that keeps clipping safe
Clipping a cat's claws safely comes down to a single anatomical fact: the claw has a living core, the quick, carrying blood and nerve, and a dead tip beyond it that she feels no more than you feel trimming a fingernail. Your whole technique is about seeing that boundary clearly and cutting well short of it. In a pale claw the quick shows as the pink section inside; in a dark claw it cannot be seen, so you take less. Good light, sharp scissors made for cat claws, and a cat who is not being restrained will prevent nearly every accident owners worry about.
Setting up so she can stay calm
Choose a time when she is settled rather than playful, and sit where she already likes to be handled. Let her sniff the scissors. Gently press the top of one toe with your thumb while supporting the paw from below, and the claw will slide out of its sheath. Look at it from the side before cutting: you want the clear, sharp, slightly hooked tip only. If she withdraws the paw, let it go and wait, or finish for the day. A cat who is free to leave usually stays for more claws than a cat who is wrapped and held, and a partial job finished calmly beats a complete job finished in a struggle.
Making each cut
Position the scissors so the cut is shallow and follows the natural angle, removing the pointed tip in one clean snip rather than nibbling. Work through the front paws first, since front claws grow sharper and do most of the scratching; back claws are thicker, blunter, and often need only a small trim or none. Check the extra claw higher on the inner front leg, the dewclaw, on every session, because it is the one most often forgotten and the one that can curve round into the pad. If you do nick the quick despite care, the claw will bleed and she will flinch; stay calm, apply gentle pressure with a clean cloth, and end the session. A claw that bleeds freely and does not settle should be checked by your vet.
Tools and habits that reduce risk
Dull scissors crush rather than cut, which can split the claw and squeeze the quick even when your aim was right, so replace or sharpen them when cuts stop feeling clean. Avoid large dog clippers, which hide the claw in an oversized jaw. Between trims, watch how quickly her points return; most indoor cats need attention every few weeks, but a cat who uses scratching posts heavily may wear the fronts down herself. Scratching posts are not a substitute for checking, though, because posts blunt the sides while the tip can stay long.
Claws that should not be a home job
Leave a claw for your vet if it has grown into a full curve toward the pad, if it is thickened, flaky, or split down its length, if the toe looks swollen or she cries when it is touched, or if one claw suddenly grows much faster than the rest. Senior cats in particular grow thicker, more brittle claws that can hide an ingrown tip inside a sheath of old claw. Those are examination problems first and trimming problems second.
Recording which paws are actually done
Because a calm session often ends partway, the next person cannot tell by looking whether the back paws were reached. A quick note closes that gap and prevents a same-day repeat she will not thank anyone for. You can log each finished paw in KinsLe Care Teams so the household trims on evidence rather than assumption.