Brr it’s cold tonight, the wind is blowing and we might have some snow. The cats can open doors but don’t want to close them! That let’s the draughts through from the back door area. Our cat flap is old and loose through wear and tear. I’ll get up and shut the door, then a cat comes in and pushes the inner floor open and whoosh, cold air. The cats have warm fur so they aren’t bothered, but I’m shivering, brrrr