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To encourage your cat to use the flap, start by playing with it and feeding near it. This will make them familiar with the sound it makes when it closes and opens. You can also add your cat's smell to the flap. Next, open the flap a bit to give your cat an impression of movement. Try luring them to come through by offering them their favorite food or toy. Certain plants (such as clary sage, cat germander, and valerian) are arousing scen