1 will be a distraction.

2, it will form a habit that is difficult to get rid of.

After a long time, you will want to turn when you get chopsticks, and you will be called impolite.

4. If you don't turn, you can't stand it and become obsessive-compulsive disorder.

(B) the benefits of playing with a pen

1, you can move your fingers.

2. Playing with a pen often can train hands, eyes and cerebellum.

3. The activity of cerebellum can also stimulate nerve cells in the brain. Long-term training helps to improve concentration, memory and learning ability.

Extended data:

The popularity of pen-turning among students has actually had a considerable impact. Many students will play with pens during the exam, often dropping pens and making noise, which will affect other students' exams.

In addition, turning pens in class will also reduce the attention in class, so some teachers will prohibit students from turning pens. With the performance of pen-turning in various TV programs and stage performances, people gradually begin to understand pen-turning, and also understand the benefits of pen-turning, which can enhance the flexibility and coordination of fingers.

As the saying goes: hands and brains are connected. In the process of writing, it is also a process of exercising the brain. Japanese brain wave research expert Shiga Yiya put it this way: "The complex movements of fingertips are related to visual and sensory feedback. In order to make correct actions, continuous corrective actions can improve brain activity and prevent aging.

"Shiga Yiya, a Japanese brain wave research expert, said:" The complex movements of fingertips are related to visual and sensory feedback. In order to make correct actions, continuous corrective actions can achieve the purpose of improving brain activation and preventing aging. "

Turning pen has two meanings: first, compared with "folding pen", round pen is used more. That is, when writing and raising a pen, it is a continuous line when turning left and right, and when stippling, it pauses a little, and it seems inseparable when connected. The lines written in this way are muddy and thick. The second refers to the corner bend in the word, which is written as circular potential by the method of circular rotation. Be careful not to move the pen too slowly when you turn it, otherwise it will expand.

Baidu Encyclopedia-Zhuan Bi