This oil lamp shaped as a twig will give light in the darkness of your human existence, or just a nice candlelight dinner,
Simply put a suitable wick (natural fiber; no synthetic fiber) in the outer hole. (Tie a knot in the wick so it doesn't drop in the hole)
Pour lamp oil into the center hole (don't overfill, filling it halfway is good enough)
Light the wick
Wick and lamp oil not included.
The usual safety warning: never leave open flames unattended; keep out of reach of children, don't touch the metal near the flame as it gets hot, leave to cool before handling it because it contains hot lamp oil: