|When a song is especially catchy, it's referred to as an ear worm. So, when you're listening to the song you can't get out of your head, you might as well wear ear buds that make it look like worms are trying to get out of your ears. These Ear Worms Ear Buds are smiling, green worms that might be at home in an apple. These are the ear buds you want to wear to complete your zombie costume. Completely compatible with your iPod or iPhone, or anything with a 3.5 mm jack.