Ninja tools of clay and stone were unearthed at sixteenth-century archaeological sites. They were clay makibishi and stone tsubute. However, iron-working techniques were already well established by this time. So why did the ninja use these materials? Iwata Akihiro from Saitama Prefectural Ranzan Historical Museum believes the ninja used them as a last resort. In this episode, we explore how these ninja tools came about and recreate clay makibishi to see if they'll stand up to the test.
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