A Devon Rex's frame-scratching often has a social motive
A Devon Rex scratching a door frame is maintaining her claws and stretching, as any cat does, but with this breed there is usually a second motive layered on top: it works. A Devon is intensely people-oriented and quick to learn cause and effect, and a frame beside a closed door produces a person, attention, and often an opened door within moments. Carpets beside sofas get chosen for the horizontal stretch and claw work, particularly after naps, when she wakes on the furniture and reaches for the nearest textured surface. Separating the two motives matters, because a post alone will not fix scratching that is really a doorbell, and ignoring her will not fix scratching that is really a manicure.
Watch the timing to identify your Devon. Scratching that happens while she looks at you, pauses, and looks again is communication. Most Devons do both, at different frames, and each needs its own half of the plan.
Legal surfaces placed where a Devon Rex already works
Give the maintenance half a proper outlet directly at each chosen site. A stable vertical post beside the worst frame and a flat cardboard or sisal pad beside the carpet patch let her perform the identical movement on a surface that rewards her claws with grip and shredding. A Devon is lighter than many breeds but bouncy, springing at posts mid-play, so choose a base that does not tip when she hits it at speed, and refresh the cardboard pad as soon as its surface is shredded smooth, because a worn-out pad sends her straight back to the carpet's superior texture.
Introduce the replacements as games rather than furniture. A Devon works for your reaction above almost anything, which means enthusiastic attention paid to post-scratching is the strongest training currency you have — spend it lavishly there, and pointedly not at the frame.
Removing the doorbell effect without ignoring the cat
For the social half, break the link between frame-scratching and the grand entrance. If she scratches to enter a room you are in, wait for a pause, then open the door calmly as if it were your idea — and, better, pre-empt her by leaving doors ajar where the household allows it, since a Devon who can reach her people rarely bothers to signal. When she scratches the frame while you are both in the room, do not scold or scoop her up, which is still attention; quietly redirect her to the post with a toy, and deliver the fuss there. Protect the frame in the meantime with a fitted clear guard so attempts slide off unsatisfyingly, removing the texture reward while the behaviour fades.
Claw maintenance supports the whole programme. A Devon's fine claws, kept blunt with small regular trims she is rewarded for tolerating, strip less paint and snag less carpet pile during the weeks retraining takes. Agree the script: pause before doors, redirect silently, celebrate the post. Note which frames she still tries and whether the attempts are the social kind or the maintenance kind, because the two should fade at different rates and the pattern tells you which half of the plan needs strengthening.
Consistency across people is what makes it permanent
Sharing that script is simple with KinsLe, Care Teams, where the redirect routine, claw-trim schedule, and post checks sit in one shared list for your Devon Rex, so every audience she performs for answers in exactly the same boring, consistent way.