What do you do when Converse calls you and asks you to trick-out 30 pairs of their iconic high-top sneakers for a popup at Nordstrom? If you're Mad Rad/Fresh Espresso/Ten Hundred artist Peter Robinson, you roll up your sleeves and get to work. The shoes go on sale today, Friday, April 4; our interview and slideshow gets you inside the artist's studio for more on this collaboration.