Leather is everywhere, and has been for thousands of years. But what goes into the production of leather, and how is it used today? This episode examines the history of tanning, with a look at the fashion designs Matthieu Blazy of Bottega Veneta, and an interview with Min-Wei Ang, who is a fifth-year architecture student at RISD working with leather. This episode is presented by Leevi Wadzinski.