The back of the head
Where the respiratory center is located, flapping may lead to respiratory failure.
ear
Frequent twisting of the ear may lead to perforation of the eardrum and affect hearing development.
buttock
Children's spinal cord and spine are not well developed, and spanking may cause spinal injury, and diseases such as disc herniation are prone to occur in old age.
temple
Weak orbital wall may lead to fracture, affect the development of optic nerve and even lead to blindness.
Hands-on is not a good way of education.
Education is of course important when children make mistakes. But please remember that violence is not education, and love and understanding are the best companions for children to grow up.