Oigen Nambu Tetsubin Cast Iron Kettle (H-200, Shinonome Kikkou, 1.0L, ¥16,900 / ≈$113 USD) — Iwate’s 900-Year Iron Tradition, From Hiraizumi to Your Kitchen [2026 Guide for International Readers]
Oigen (及源), founded 1852 in Mizusawa (Iwate Prefecture), is one of the largest producers of Nambu tetsubin (南部鉄器)…