Craftfry - Placed in window ornament will make rainbow 40mm (1.6").You can hang it every place where can generate the killing chi, such as the sharp corner, electric post, etc.You can hang it in front of your main door if there is one big building in front of your house.You can hang it in front of your bathroom to broken the wealth chi flowing into your toilet if you think your main chi is flowing to the direction to your bathroom.You can hang one in your missing corner to remedy the missing position.According to Feng Shui it brings Harmony and Fortune. Hung in windows, crystals can bring chi energy from the outside into dark areas of your home or office. A crystal placed in the south-east, north-west, or center of a room can aid in stimulating prosperity.