Horsehair crabs — the ones covered with tiny hairs. The high-end crustacean is loved for its sweet, delicate meat and rich and creamy innards, or kani miso. At one of the world's largest wholesale markets, an expert shows us what to look out for in terms of quality. Also join cage fishers in Hokkaido Prefecture during chilly morning hours. After the treasure hunt at the sea, taste the prized horsehair crab in local dishes, and venture back to Tokyo to see how it's used in international cuisine.