Prepare a rope first, not too short for about one meter. Then have someone check if it's an ordinary rope. The first step is to press the broken rope with your thumb to expose the end of the rope, and make a small bend with a short piece of rope without being seen by others. The second step is to hide the bend of the rope below in the palm of your hand and pull the little bend just now. Step 3, cut a small bend with scissors, tell others that you have cut the rope, then pull out the first rope end and hide the cut short rope conveniently, so that in the eyes of others, you can turn the rope back into a section.

It's simple. You don't need any photos.