They were lowbrow pastiche. The Adventures of Vicarage Leadbetter, a low-budget pisstake of Sherlock Holmes written for Radio Four.

The box was close on every side, with a little door for me to go in and out, and a few gimlet holes to let in air.

Coordinate term: PKM

And he wore a Sherlock Holmesy kind of cap with a swarm of salmon flies upon it, that to my boyish fancy was more splendid than a crown.