Put the Post Where His Person Sits
A Ragdoll scratches furniture for a simple reason: that is where his people are. This famously devoted breed follows his family from room to room and settles against the sofa arm nearest his favourite human, so the scratching appears on the furniture of companionship, not territory. Place a stable, sisal-wrapped post tight against that sofa arm, close enough that he can flop against the sofa and stretch onto the post in one motion. A Ragdoll will rarely cross a room to use equipment, however excellent, so proximity to you is the feature that decides whether the post gets used.
Pick a post with a broad, heavy base. A Ragdoll leans his full weight sideways when he scratches, and lands heavily when he slumps off furniture. A post that rocks under that lean will not earn a second try from a cat who values comfort above almost everything.
Invite Him Over and Show Him Yourself
Demonstration works unusually well with a Ragdoll. Sit in your usual spot, call him over in the voice you use for lap time, and scratch the post with your own fingertips to make the sound while he watches from the sofa arm. Trail a soft wand toy up the sisal, slowly, because chasing frantically is not this breed's style, and when his paws come down the post in a stretch, praise him at length and let him settle against you. That social reward, your attention and contact, is worth more to a Ragdoll than treats alone, though a small treat seals the lesson.
Cover the sofa arm with a snug smooth throw during the learning weeks. If he scratches the throw, repeat the invitation without irritation; Ragdolls are sensitive to tone and a sharp voice can make a gentle cat avoid the whole area, post included. Short sessions that end with him draped beside you teach him the post belongs to the best part of his day.
Repeat Gently, With Everyone Doing the Same Thing
Gentle repetition in the same place is how a Ragdoll learns, so hold two brief sessions a day in the same seat, at the same times, using the same invitation. Family members should all lure rather than carry him, because a Ragdoll carried to the post learns only that the post is where people put him down. Reward the full sequence of approach, stretch, and scratch at first, then reward only actual claw contact once the approach is automatic. Most Ragdolls settle into the new habit within a few weeks when the routine never changes and the post never moves.
Offer a horizontal scratcher as well if he scratches the seat cushion edge while sprawled, since a cat this committed to lounging often prefers to scratch without fully standing. Keep it at the foot of the same sofa so his whole world of comfort stays in one corner he does not have to leave.
Notice When a Ragdoll's Scratching Changes
A Ragdoll who suddenly scratches more, hides from the family, or stops flopping into laps has changed in a way that matters more than upholstery, because sociability is this breed's baseline. Check his claws for a torn or split nail after heavy scratching bouts, and watch for limping on the thick-carpeted landings he favours. Pain, a claw injury, or scratching paired with over-grooming of his belly calls for a veterinary visit rather than another training session.
Keep the invitation sessions shared among the household so his routine survives one person's late evening, because a Ragdoll notices a missing ritual and a missing person equally. Noting each Ragdoll post session in KinsLe Care Teams lets the family see at a glance that his training happened and who shared it with him.