https://yogicentral.science/wi....ki/How_to_Install_a_
https://sciencewiki.science/wi....ki/Cat_Flap_Installe
Installing a cat flap on a door allows your pet to come and go as it pleases. Follow these steps to learn how to mark out the shape, use an jigsaw, or a hole saw to cut it, and then install your cat flap. You can stop wild animals, pests, and stray cats from getting into your cat flap by using a manual Four-Way Lock. You can also store plant pots for your cat to nestle in. Placement A cat flap can be used to keep animals that aren't wanted out, such as rodents and cats.