https://writeablog.net/namerav....en65/cat-flap-fittin
https://click4r.com/posts/g/18....393906/cat-flap-inst
Begin by feeding them and playing near the flap. This will aid them in becoming familiar with the sound it makes when it opens and closes. It is also helpful when you include your cat's scent on the flap. Next, let the flap open a little to give your cat an impression of movement. Try to entice them by holding their favorite food or toys. Certain herbs (such a cat germander, valerian, clary sage and clary sage) are enticing in scent that many cats enjoy.