In ancient China, the Eight Trigrams Mirror was a very magical tool for protecting houses. The Eight Trigrams Mirror adopted the orientation and power of traditional Chinese Yi Li, which had the effect of turning the world around and regulating feng shui. Modern houses are densely packed, and it is often difficult to prevent bad feng shui. At this time, the Eight Trigrams Mirror is particularly practical.Concave mirror: The wealth absorbing and blessing absorbing mirror is a concave gossip mirror with a gathering function. It is used when there is a phenomenon of local air escaping, such as the rolling shutter water brake of a staircase when opening the door, the scissors brake of an elevator when opening the door, or the reverse bow brake of a building facing an anti arched road or waterway. This can cause luck to dissipate and be unstable. Concave mirrors can be used to gather auspicious air.Convex Mirror: Protects the house and blocks the brakes. Convex Mirror Bagua Mirror is a function for dispelling obstacles. If there is a road rush (building facing the road), a wall corner (cutting from the opposite corner to the house), a fire and gas (facing lamp columns, power poles, chimneys, etc.), or a sky cutting (building facing the gap between two tall buildings) in the home or office, convex mirror can be used to dispel unfavorable aura.