“I was lucky enough to sneak into a Yoshiko Wada indigo workshop with Michel Garcia, a French chemist who figured out the chemical processes that are actually going on with natural dyes so that you know what will work and what won't. This method employs a really simple clay and gum-arabic resist that washes right out. There are homemade and store-bought bitters — and Kevin’s dehydrated orange — on the shelf above.”