“Slit or Gloved,” the title of Willem de Rooij’s recent show in Cologne, is an anagram of “Silver to Gold,” a series (created in 2009 for the Athens Biennale) of five canvases interwoven with carefully proportioned gradations of metallic silver and gold threads—a serial progression transitioning from silver to gold. In de Rooij’s new piece Vertigo’s Doll, 2010—yet another anagram of Silver to Gold—we find the same elements as in the earlier one; the anagram becomes a kind of artistic method. Vertigo’s Doll is a single canvas in a pronounced horizontal format, and its gradations from silver to