With his most recent works showcased in the Rema Hort Mann Collection, a current residency at the prestigious Studio Museum of Harlem, and his inclusion in “to do as one would,” a 2014 winter group show organized by David Wiirner Gallery in New York, Mack (aka Eric N. Mack) is about to become a trademark name. The Yale MFA graduate’s practice turns altered textiles—whether bought or from his personal history...