what can you cut whit paper

today i see a movie about the things what you can cut with paper (in high speed) like: cardboard, a pencil, a plastic cap, a plastic tube, a wooden stick, even coconut. The paper in high speed is very strong, and the video you can see how cool is that with demonstrations in this materials. the video show us, how dangerous  may be the paper, so be careful if you try this experiment.

link of video:https://youtu.be/eLXHLRa37_g