What's so particular about the bedroom bedside wall lamp Feng Shui?

Needless to say, people spend most of their lives in sleep, so the sofa also has a feng shui that everyone can't live without every day. If you want to install a wall lamp on the bedside, you must install a pair, which means in pairs. In feng shui, it is called "crab lamp", which means auspicious and smooth. At the same time, the shape of the bedside wall lamp is generally round, and the three-pointed octagon is taboo. There is a murder weapon hidden in the sharp corner, which is very unfavorable in feng shui.