What is a Rat King?

rat king Basically they would capture a bunch of rats and force them to fight until there was only 1 left Repeat a few times, then release the rat king

Not sure really where to start with this article, but buckle in A rat king is a collection of rats whose tails are intertwined and bound together this can be ratch set The Rat King trope as used in popular culture Because rats are social, have long tails, and happily live in dirty environments, they occasionally get stuck