The platform has had two major debuts in the world of women’s shoe fashions. The first was in the 1930s, when Italian shoe designer Salvatore Ferragamo devised his wedge heel. That shoe was born of necessity—sanctions against Mussolini’s Italy made it difficult to acquire materials. Ferragamo turned to plentiful, Sardinian cork, which he “wedged” in layers under his shoes in place of wooden heels. The shoe was initially intended to supply...