Ancient Hawaiian Stone Adze Crafting Secrets

Splitting volcanic stone with wood and water

Tom Pico reveals how ancient craftsmen selected dense basalt and theorizes how wet wooden wedges forced natural rock fractures through expansion.

Ancient Hawaiian Stone Splitting Secret

Flaking stone is like playing chess: think ahead

A park ranger learns how to flake basalt with a traditional hammerstone, where every calculated blow anticipates several moves ahead.

Shaping Stone Like a Game of Chess

Using green and black volcanic sand as sandpaper

Discover why green olivine sand and volcanic black sand were chosen over white coral sand to grind and sharpen traditional Hawaiian stone tools.

Why Beach Sand Was Ancient Sandpaper

Waking up tools with water to lock the bindings

Tom Pico explains how braided coconut fiber cord and protective bark shields swell and shrink in water to create an unbreakable bond.

The Self-Tightening Ancient Cord

[02:26] Ancient Hawaiian Stone Splitting Secret
[04:23] Shaping Stone Like a Game of Chess
[05:52] Why Beach Sand Was Ancient Sandpaper
[10:19] The Self-Tightening Ancient Cord

Ancient Hawaiian Stone Adze Crafting Secrets

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