Lights and feng shui go hand-in-hand, for there's no better enhancing agent than fire energy... and lights represent just that. Whenever you illuminate an area with light, you are activating the area and imbuing it with precious Yang Chi. All you need to know then is HOW TO IDENTIFY the areas you should enhance, and WHAT KIND OF LIGHT is best suited to the purpose you are using it for.
The Four-Leaf-Clover, or shamrock, is thought of as a good luck charm in part because of its rarity in nature. Some beleifs says that anyone who possesses a four-leaf-clover will have good fortune in any ventures they attempt.