His pieces are always ambiguous, or rather hybrid. They provoke in the viewer attraction and uneasiness and cause deep questioning on the nature of art, on the statute of artistic objects in general. Grunfeld work started from a reflection on the anti-aestheticism of the '80 and an ironic critique of 'Gemuetlichkeit' (a typically german kind of coziness), that produced the tradition of the hunt trophies as well of the 18th century 'cabinets d'amateurs'.