"Doubles the size of your quiver, allowing you to hold more arrows. Also gives you one arrow per kill with a bow."
It costs 20,000 Gold and takes up 8 points.
Instead of the normal 20 arrows a dwarf normally holds, this allows a dwarf up to 40 arrows. It does not affect arrow regeneration rate, but every time a dwarf kills something melee or ranged, it restores an arrow to the quiver.