Fifty-two hands are usually used as a way for one person to express his feelings to another. Boys use this gesture to express their love for each other.
A gesture can express your true feelings, and it is also a further sublimation of feelings, love and affection between the two sides. Women will respond to the boys they like with the same gesture.
Other gestures
Scratch your chin with your forefinger: Scratching your chin with your forefinger is like shaving. This is a gesture peculiar to the French, which is often used by women when rejecting unwanted suitors. You can often see French beauties smiling and scraping their chins with their fingers in cafes. They are very charming and lovely, and pursuers will walk away when they see them.
The original intention of this action is boredom, because razor is synonymous with boredom in French, so I skillfully expressed my disgust with razor.