In fiction, there are many ways to show a character is cute. You can give them cute hair decorations. You can give people a Little Bit Beastly Cute Monster Girl. Or, you can give a hint of both, which is where this trope lies. This is a standard accessory for the Playboy Bunny outfit. It is also a common prop for Cosplay. Compare Hair Decorations, Catgirl, Unusual Ears, Little Bit Beastly (the latter two when the ears are necessarily real). Examples of Animal-Eared Headband include: