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Installing inside the door will allow your pet come and go whenever it wants. Follow the steps below to learn how to trace the shape, cut it with an jigsaw or hole saw, and then put it in your cat's flap. If your cat flap has a manual 4-Way lock, you can restrict access to wild animals, pests and strays. It is also an excellent idea to keep some plant pots around for your cat to hide in. Placement A cat flap can be used to keep animals that aren't wanted out like rodents and cats. Certain models let you lock