1, crystal gourd: the main body of crystal is water, and water is fire, just to restrain the fire of fireworks. In addition, the gourd is an auspicious product in geomantic omen, which has a strong role in ward off evil spirits. Fireworks can be installed in the gourd to ward off evil spirits.
2. Convex mirror: Pointing the convex mirror at the chimney can reduce the energy of evil spirits in psychological suggestion, and then weaken the oppressive feeling formed by evil spirits in the sky.