Concave mirror can collect wealth. If the entrance door is facing the stairs or elevator, it may cause the loss of wealth. At this time, if you hang a gossip about concave mirror on the door, you can recover all the leaked wealth.
Convex mirrors can also be used to reflect light. If the atmosphere escapes near the entrance, it can be collected by a convex mirror.
In a word, concave mirror or convex mirror depends on your actual needs. It is suggested to decide whether to hang concave mirror or convex mirror according to your actual situation, and be sure to find the right position when hanging it.