A Three-Toed-Sloth-Flap?

On the way back from our walk my granddog Frankie was poking around amongst some thistles when her head disappeared into a hole in a tall brick wall. My daughter was quite concerned until we discovered that it is the modern version of a cat hole, what we would call a cat-flap. Information about the history of cat holes can be found in this fairly recent blip from ceridwen. https://www.blipfoto.com/entry/2512252838642450483

Charming little paw-print design next to the hole but normal cats have five toes on each fore paw and four on each hind paw. :)