In many ways, Chez Blue Cat/Patroclus is like a literary salon of the olden days, where they had big hats and gas lights. Consider the following conversation.
ME: ... although I never liked the Sherlock Holmes books that much to be honest, there were always umpty-tum reasons people might have a bit of pale mud on their turnups or summat, didn't automatically mean their sister was having an affair with a interior decorator just back from the Crimean or whatevs, anyway I always preferred Edgar Allen Poe's Dupin, who totes preceeded Holmes and invented the whole 'deductive reasoning' thing, although he called it 'ratiocination', 'The Adventure of the Purloined Letter' is great, someone hides a letter in the last place you'd expect, completely the last place, where do you think the last place anyone would look for a letter is, where do you think he hid it?
PATROCLUS: UP HIS ARSE.
A shocked silence ensues. Finally:
(I think it's a letter rack, it was ages since I read it)