The Grinder is a furniture you can build (the Technology page).
In-game description
A grindstone on a wooden frame. E at it to grind tools, weapons, coats, charms and stacks back into what they were made of, or into spirits.SHOWN IN THE BUILD RING
Building it
It costs 6 
Wood, 8 
Stone, 1 Water 3 Earth spirits. Take it down with DISMANTLE to get its cost back (see Building).
Upgrades
| Tier | Name | Upgrade cost |
|---|---|---|
| I | Grindstone | Built as it is |
| II | Treadle Grinder | 14 Stone, 6 Wood, 3 Bronze Ingot |
| III | Spirit Mill | 20 Stone, 4 Iron Ingot, 2 Glass |
See Table Upgrades.
