Traditional Culture Encyclopedia - Hotel franchise - Urgent, I found that there is no distance between the mirror finger and the mirror image of the hotel. I went to the next door, and the door was inclined. A woman's voice refused to open the door.

Urgent, I found that there is no distance between the mirror finger and the mirror image of the hotel. I went to the next door, and the door was inclined. A woman's voice refused to open the door.

1. It should be a double mirror. Scrape the mirror with a blade, steel ball, etc. It may fade

2. Keep it completely black on your side, or reduce the light to the darkest. A double mirror can only see the bright side from the dark side, but can't see the dark side from the bright side.

3. Find an ordinary mirror and compare the reflectivity. The reflectivity of double mirrors is lower and darker than that of ordinary mirrors.