That reminds me of a piece of "folk wisdom" about the Chicken Polygraph -- a farmer sprinkles soot on the feathers of a black chicken as a homemade lie-detector, to help find the thief who stole the rooster:Originally Posted by gRomoZeka
Click here to see the entire full-page cartoon.
The cartoon, by the way, is scanned from The Big Book of Urban Legends, which I strongly recommend for advanced English learners -- it has about 200 examples of "modern folklore" (some of which, like this one about the chicken, are much older) illustrated in comic-book form.