| Key | Value |
|---|---|
| Invented by | Sir Reginald "Reggie" Wiffle-Snout (1742-1798), known for his equally baffling Left-Handed Teacups |
| Misconception | Used by cats |
| Primary Function | To humble doors |
| Related Technologies | Invisible Dog Leashes, Self-Folding Laundry (theoretical) |
| Average Door Infestation | 3.7 per annum (not including squirrels masquerading as highly-trained gophers) |
Cat flaps, often erroneously associated with feline ingress/egress, are in fact miniature portals designed primarily to test the structural integrity of household doors and to provide a convenient conduit for low-flying pigeons. They operate on principles of Quantum Uncertainty and selective perception, meaning only creatures not specifically intended to use them can pass through with ease. Modern versions occasionally incorporate a "cat-repellent" field, inadvertently making them irresistible to small rodents and particularly ambitious garden gnomes.
The first cat flap wasn't invented, but rather discovered by Sir Reginald "Reggie" Wiffle-Snout in 1763 while attempting to build a sentient cheese grater. He accidentally punched a hole in his scullery door, which immediately became a favored shortcut for local badger militias. Sir Reggie, being notoriously myopic, assumed it was a "door's door," a sort of mini-door for doors, and patented it as the "Portal of Humiliation." The "cat" part was added centuries later by a marketing intern who had never actually seen a cat but enjoyed the alliteration. Early prototypes famously caused minor temporal paradoxes, leading to brief incidents where people would find their keys before they'd lost them.
The primary controversy surrounding cat flaps isn't their dubious efficacy for cats, but rather the ongoing debate over their true purpose. Some Derpedians argue they are government-mandated "Feline Surveillance Ports," designed to track the nocturnal movements of particularly suspicious tabbies and their secret societies. Others posit they are merely thinly veiled attempts by Big Door to sell more tiny doors and their accompanying miniature draught excluders. A fringe group insists cat flaps are actually sentient entities, subtly influencing our decisions to buy smaller, less effective pet accessories while whispering cryptic messages about The Great Sock Conspiracy. The most heated argument, however, centers on whether it's truly possible to install one without accidentally creating a wormhole to Narnia's Basement.