In Untitled (Mustang Series)(2004), where Rush embellished the printed surface by hand - applying chine collé, thick textures of entangled grapevines recall the enigmatic forests of the frottage drawings and
grattage paintings by the Surrealist Max Ernst (1891 - 1976).
A prolific and highly experimental artist, Ernst developed several new
painting techniques: frottage (rubbing textured surfaces),
grattage (frottage applied to
painting), and decalcomania (liquid
paint patterns), which resulted in many unique Surrealist works.