Despite being labelled in-game to be used for used for trading with merchants, it is not actually used to purchase any items.
This resource is needed to craft the following items.
- Modifications Satchel Upgrade 3 (2 Fox Bone)
- War Bow Quiver Upgrade 3 (2 Fox Bone)
- Tripcaster Ammo Pouch Upgrade 2 (2 Fox Bone)
This resource is not used to buy any items.