First, take out a rubber band and put it on two fingers like me.

Stretch your thumb with your right hand and grab two rubber bands with your index finger.

Then put your right thumb against your left middle finger.

The point is, loosen a rubber band with your right index finger.

At this time, the rubber band will rotate at high speed.

Expand knowledge:

Magic, also known as illusion, blindfold, magic tricks, etc. In a narrow sense, it is defined as a performing art that creates hallucinations and cognitive errors with special skills and equipment to entertain the audience and make them feel incredible. In a broad sense, it refers to all kinds of activities that show funny and incredible art with professional skills or knowledge.

Magic, based on scientific principles and using special props, skillfully combines high-intelligence performing arts in different scientific fields such as visual communication, psychology, chemistry, mathematics, optics, ergonomics and performance. And create all kinds of incredible and unpredictable illusions, so as to achieve the artistic effect of confusing the fake with the real.

Magic can produce special hallucinations. That is, using quick and agile skills or special devices to cover up the real movements, so that the audience feels that the objects are erratic and unpredictable.

Magic relies on the flexible application of physical and chemical scientific principles such as light, sound, electricity and psychology, and cooperates with peculiar artistic ideas to produce various grotesque and ingenious performance images.