Yes, a kitten-heeled mule is a shoe - but, picture it... a mule wearing kitten heels... or a kitten wearing mules. Just imagine... Mule With Kittens, Mule Wearing Kittens, Kitty With Mules... I'll have to draw it for you sometime. Well-Shod: Life of a Kitten-Heeled Mule. Kittens Who Run With Mules.