打小人.

Villain hitting(打小人)：
Make use of a varieties of symbolic object such as the shoe
of clients or the villain hitter or other religious symbolic weapon
like incense sticks to hit or hurt the villain paper.

Villain paper can also replaced by other derivative
such as man paper, woman paper, five ghost paper etc.

Villain hitting is a folk sorcery popular in the Guangdong area
of China including Hong Kong. Its purpose is to curse one's
enemies using magic. Villain hitting is often considered a
humble career, and the ceremony is often performed by older ladies.