Despite being labelled in-game to be used for trading with merchants, it is not actually used to purchase any items.
This resource is needed to craft the following items.
- Weapons Satchel Upgrade 3 (2 Rabbit Bone)
- Hunter Bow Quiver Upgrade 3 (1 Rabbit Bone)
- Blast Sling Ammo Pouch Upgrade 2 (1 Rabbit Bone)
This resource is not used to buy any items.