Jack-O'-Lantern Sterling Silver Stud EarringsTrick or treat, is the custom of Halloween. If a pumpkin lantern is hung on the window of someone's house, it means that those wearing Halloween costumes can knock on the door and ask for sweets. The pumpkin lantern is tied to the Irish legend of Stingy Jack, a drunkard who bargains with Satan and is doomed to roam the Earth with only a hollowed turnip to light his way. Because pumpkins are more suitable for making lanterns, they replaced hollowed