Common tap steps include the shuffle, shuffle ball change, flap (pronounced "Fil-ape"), flap heel, cramp roll, buffalo, Maxie Ford, single and double pullbacks, wings, cincinnati, the shim sham shimmy (also called the Lindy), Irish, Waltz Clog, shuffle hop step, running flaps, running shuffles, sugar, the paddle and roll, slap, stomp, running flaps, brushes, scuffs, and single and double toe punches. Higher levels of tap dancing also should consist of toe work, which are steps performed on the toes of the tap shoes. This may vary from simply jumping up onto the toe or doing steps mentioned above on the toe such as shuffles or wings.