RuneScape/Items/Superior rock-crushing scrimshawSuperior rock-crushing scrimshawHow to make itSuperior rock-crushing scrimshawPlan materialsMaterialsAncient bones4MakesSuperior rock-crushing scrimshaw1FletchingLevel 85, 4,000 XPScrimshaw CrafterWhere to get itSourceQuantityChance per rollGift of Gu[]1Common