 Rolls-Royce is known for arranging its grille bars by hand to ensure that they appear perfectly vertical.Other makers known for their grille styling include Bugatti's horse-collar, BMW's split kidney, Rover's chrome "teeth", Mitsubishi's forward swept, fighter aircraft-style grilles for their cars 2008 Lancer and Lancer Evo X, Dodge's cross bar, Alfa Romeo's six-bar shield, Volvo's slash bar, Nissan's trapezoid shaped chrome surround, Mazda's rotary engine shape, Audi's relatively new, so-called "single-frame" grille, Pontiac's split horizontal grille and an egg-crate grille on late-generation Plymouths, and Lexus's spindle-shaped grille.The unusual 1971 Plymouth Barracuda grille is known as a "cheesegrater".