If you have enjoyed cat doors, you might also enjoy cat ladders.<p><a href="https://www.atlasobscura.com/articles/cat-ladders" rel="nofollow noreferrer">https://www.atlasobscura.com/articles/cat-ladders</a><p><a href="https://www.nationalgeographic.com/animals/article/switzerland-cat-ladders" rel="nofollow noreferrer">https://www.nationalgeographic.com/animals/article/switzerla...</a>
Semi-related: Chief Mouser to the Cabinet Office<p><a href="https://en.wikipedia.org/wiki/Chief_Mouser_to_the_Cabinet_Office" rel="nofollow noreferrer">https://en.wikipedia.org/wiki/Chief_Mouser_to_the_Cabinet_Of...</a>