https://king-wifi.win/wiki/Through_Wall_Cat_Flap
To encourage your cat to use the flap, start by playing and eating close to it. This will help them become familiar with the sound it makes when it closes and opens. You can also add the scent of your cat to the flap. Next, open the flap a bit to give your cat the impression of movement. Try to entice them by grabbing their favorite food or an item toy. Certain herbs (such as clary sage, cat germander and valerian) offer a enticing scent that cats love. Installing the cat flap A cat flap enables your cat to go and come at will, without o