Arushi Kumar and Jung-sun Hwang Kim, Invisible/Essential, 2008; silver, crushed raw silk with gear print, box-pleated on one edge and lined in lightweight black, pleated silk; sheer, white silk-chiffon dyed in shades of gray and black, heat-set to retain the indelible shapes of hundreds of gears; 56" x 50". Photos: Erich Schrempp.