A cat who is too frightened to approach a familiar voice will often still walk into a quiet, covered box that smells of food and home, which is why a humane trap succeeds where calling and reaching fail. The trap does the approaching for you, and your job is to make it inviting, place it where she already feels safest, and watch it closely enough that no animal stays inside it longer than necessary.
Borrowing the Trap and Learning Its Mechanism
Ask a local rescue, shelter or vet practice whether they lend traps, and accept the briefing that comes with the loan rather than waving it away. The lender will show you how that particular model sets, how sensitive the treadle plate is, and how the door releases, and those details differ between designs. Practise setting and springing it at home with a soft object until the motion is familiar, because fumbling with an unfamiliar mechanism beside a hiding cat, in the dark, undoes the calm the whole method depends on. Ask also what the lender expects if you catch a neighbour's cat or wildlife, so a surprise capture is a routine event rather than a crisis.
Setting It Where She Was Last Seen
Place the trap at the spot she was last seen, or where you believe she is hiding, on flat, stable ground where it cannot rock or tip. Line the floor with newspaper or a thin cloth so her paws meet something softer than wire, and set a small trail of food leading to a generous portion of strong-smelling food at the far end, past the treadle plate, so she steps fully onto it as she reaches the meal. Cover the top and sides with a cloth that carries the scent of home, such as a towel from her bedding, leaving the entrance open and visible. The cover turns an exposed cage into something that reads as a den, and it also calms a captured cat by removing the sight of open space and watching eyes. Set the trap at dusk if you can, when a hiding cat is most likely to move.
Checking Frequently, Day and Night
A set trap is a commitment, not a device you can leave and forget. Check it every couple of hours, including through the night, approaching quietly and looking from a distance first, because a trapped animal is confined, frightened and exposed to weather and other animals. Set an alarm rather than trusting yourself to wake, and keep a torch, gloves and a spare cover by the door so a night check takes moments. If you have caught the wrong animal, a neighbour's cat or a wild visitor, release it promptly at the spot, opening the door and stepping well back so it can leave in its own time. If nothing has visited by morning, refresh the bait, since yesterday's food has lost the smell that does the persuading.
Once She Is Inside
When the cat in the trap is yours, resist the urge to open it on the spot and gather her up. Cover the trap completely with the cloth if it has slipped, speak quietly, and carry the whole trap indoors without opening it, setting it down in one small, secure room with the door closed before you release the catch. Never reach in and grab her: a cat at that level of panic can bite and bolt, and a grab confirms every fear that kept her hiding. Let her walk out of the trap in her own time, leave food, water and a litter tray in the room, and let her decompress in quiet for some hours before handling, scanning or vet checks, unless she is visibly injured, in which case keep her confined and phone your vet for advice. When you raise an alert through KinsLe, the Lost Pet Alert System notifies households close to home, and whoever finds her can reach you straight away without needing your number.