You can skin a Dead Boar in Far Cry 3 and get Boar Skin (Boar Hide).
Boar Hides can be used in crafting recipes or sold for money.
Ingredient in Recipes[edit]
Rugged Fuel Sling (requires 2x Boar Hides)
Simple Rucksack (requires 2x Boar Hides)
Simple Ammo Pouch (requires 2x Boar Hides)