Panama hat miners of the California Gold Rush traveled to California via the Isthmus of Panama and Pacific Mail Steamship Company. In 1906 , U.S. President Theodore Roosevelt visited the construction site of the Panama Canal and was photographed wearing a Panama hat, which further increased the hats' popularity. Although the Panama hat continues to provide a livelihood for thousands of Ecuadorians, fewer than a dozen weavers capable of making the finest "Montecristi superfinos" remain. Production in Ecuador is dwindling, due to economic problems in Ecuador and competition from Chinese hat producers. The tamsui hat was a straw hat made in Formosa
Zhingyalov hats in preparing a good zhingyalov hats is the greens' composition. Tasteless leaf vegetables and herbs with less pronounced taste make up the base of the stuffing, examples include lettuce, spinach, atriplex, beet greens, chickweed, shepherd's-purse, viola leaves and suchlike plants. Herbs with peculiar taste (chervil, urtica, allium), sour (rumex) or spicy (laserpitium) ones are needed in smaller quantities; bitter-tasting greens as taraxacum should be sparse. Additionally the stuffing might contain bryndza and fried onions. After stuffing, zhingyalov hats is fried for around 10 minutes on a special griddle called "saj" or "sajin" (), or in a tandoor for a couple