In the early 1990s Zittel’s Brooklyn studio became a showroom testing ground known as “A-Z East,” where she would prototype and live with her experimental designs for living. In 1991 she made the first of her “A-Z Six-Month Personal Uniforms”—garments that she wore every day for six-month periods of time. Like the uniforms, many of Zittel’s projects embody and establish a set of strict rules for living; however, she suggests that these systems can instead allow for more freedom and creativity. “What makes us feel liberated is not total freedom, but rather living in a set of limitations that we have created and prescribed for ourselves”