Dada vibes for your keys.MoMA Exclusive: This Marcel Duchamp Enamel Keychain captures a detail from Cœurs volants or Fluttering Hearts, the 1986 piece that creates an optical illusion of vibration through collage and colors. The French-American artist’s work is part of a MoMA exhibition simply titled Marcel Duchamp, the first retrospective of his multifaceted career in the United States since 1973, on view from April 12 through August 22, 2026. Duchamp’s work is represented in MoMA’s collection.