D+Simply attach your headrest (which is a breeze), settle into your new office throne, and instantly appreciate heightened support for your your back, neck, and shoulders. You'll immediately feel a SENSE OF RELIEF as this specially designed cushion catches the weight of your head, allowing you to work in peace for the 8D+The H3D+Super-Easy 1D+Engineered Now is the first original headrest for the Aeron chair. The Herman Miller chair and our specially designed headrest work in tandem to support you in a way that is sustainable for the long hours that you put in, day after day.