Tosa hand-forged fishing hooks. Handmade. Type of fish: Ayu, stream fish, crucian carp, other Type: Fishing hooks Features: Handmade Size: 3 Tankichi Fishing Hooks has a tradition of over 240 years since its establishment in 1781 (Tenmei 1st year), and manufactures fishing hooks specializing in the forging, hand-forging, and handcrafting techniques of Japanese swords. It is the world's oldest fishing hook manufacturer.