Why can't chopsticks be inserted vertically in the middle of the rice bowl?

Do you know how to use chopsticks? Some people will say that anyone can use chopsticks. Even so, it is not so easy to really use chopsticks. So what are the taboos in using chopsticks?

Three long and two short, you can't put chopsticks of different lengths on the table. Etiquette in the past, there were short boards on both sides of the coffin, and three long boards with bottoms on both sides were called "three long and two short". Therefore, putting chopsticks is the most taboo.

The immortal leads the way, which means holding chopsticks with thumb, middle finger, ring finger and little finger, and extending the index finger at the same time. The index finger literally means the finger used when eating. This kind of pointing fingers at people is generally to blame others.

Of course, if someone holds chopsticks with four fingers and holds out the middle finger, they will be beaten anyway.

It is quite impolite to lick chopsticks, chopsticks, or "sole" chopsticks. If you make a sound during the solo, it will make people feel uncultured.

Knock on the cup, only when the beggar attracts people's attention, knock on the bowl chopsticks with chopsticks. So knocking on bowls and chopsticks will be considered cheap.

Ancient people were afraid of witchcraft. In witchcraft, a harmful method is to put all kinds of poisonous insects in the same closed container and let them swallow each other. Cun Wang lived to the end. So knocking on the bowl chopsticks will be considered that you deliberately let the poisonous insect climb out of the bowl. This practice is unacceptable.

When food is abundant, most people only eat the latest dishes. Holding chopsticks around the table, I don't know which dish to eat. It is generally considered that there is no tutor.

Dig a grave, don't use chopsticks to "pull" up and down on a plate, find your favorite food. This practice will be considered as no tutor.