Louis XIV in another Huguenot Caudebec hat - he really didn't think through that edict. He lost his hat makers to England & Holland Louis XIV has created the original ‘brain drain’. The clever Huguenots had taken their expertise with them. From the time of the Edict of Fontainebleau the quality of France’s silk, glass, silversmithing, watch-making, cabinet making, and of course hat making, plummeted.