Type: Fishing hooks Size: 15 Features: Handmade Fishing type/species: Rocky shore, boat, skipjack tuna Tosa hand-forged hook. Handmade. Please take a good look at the shape of the T-shaped head. Tankichi Fishing Hooks has a tradition of over 240 years since its establishment in 1781 (Tenmei era), and specializes in the forging, hand-forging, and handcrafting of fishing hooks, similar to the process of making Japanese swords.