Bag Of Water With What Looks Like A Penny Nailed Above A Shop Door In California. What Is This Thing?
“That’s to stop flys from entering. Doesnt work, but people still believe it.” – Reddit / tempestuscorvus
“Mythbusters said “This myth is based in the theory that refracted light in water confused flies’ compound eyes.”. But nothing about the penny.” – Reddit / swiftb3