■PREMIUM★Ultra Rare■ International Dutch Oven Society IDOS 5-inch Dutch Oven - Member Exclusive Production Not for sale in Japan Speaking of Dutch oven associations in Japan, there's JDOS. And IDOS, the world's Dutch oven association. This is a limited-edition Dutch oven produced exclusively for members by IDOS! More rare than a Lodge 5-inch Dutch oven. There's almost no chance to get your hands on one in Japan.