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Installing a cat flap on a door allows your pet to come or go as it pleases. Follow the steps below to discover how to mark 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 block access to wild animals, pests and strays. It is also an excellent idea to keep a few pots of plant around for your cat to hide behind. Placement A cat flap can be used to keep animals from entering such as rodents or cats. Certain models let you lock