He had to come up with new ideas, new things that would be hard to copy. He came up with this Bowden-wedge heel that has to be made out of steel or titanium; if you make it from some sort of cheaper material, it'll actually crack in two.
新しいアイデアと商品を創り出す必要があったのです そして彼は鉄かチタンで作らなければならない ウェッジヒールのボウデンを生み出しました 現にこれを安価な材料で作ると 二つに割れてしまいます