What kind of weapon is the life-chasing nine-claw hook? Did it really exist in ancient times? How to make the principle?

The life-chasing nine-claw hook is Chen Pi's weapon in "Old Nine Gates". He is ruthless in doing things, and his cold face often gives people a dark feeling. The nine-claw hook can retrieve a raw egg from more than ten meters away. The unique hidden weapon is a nine-claw hook. The moment this weapon flies out, it can change its structure like a Transformer. It mechanically deforms and pops out sharp iron claws. It kills in one blow and the captured person will never survive.

The hook is movable. When the nine claws hook on the face, the hook hits the face and spreads out. The middle link is relatively large and continues to attack the face. The facial attack stops after that, but the claws spread out and move backward. As the main body moves forward, after the main body stops, the claws move forward to attack the face and other parts.

Extended information

Laojiumen Chenpi

Chen Pi is an orphan with no father or mother. He lives with his grandmother and makes a living by catching crabs in a remote area of ??the country. As an orphan, he has been bullied by children of the same age. The children also joked that Chen Pi could not use a nine-claw hook and could not catch good crabs, but could only catch those with broken legs. Not only was Xiao Chenpi bullied by children, but he was also subjected to price reductions by vendors. After being humiliated, he decided to change himself and secretly practiced the nine-claw hook. Finally, with his outstanding skills, he caught good crabs and sold them at a good price.

But his success aroused the jealousy of other children. They robbed Chen Pi of his crabs and beat and kicked him. Chen Pi, covered with injuries, was walking on the street, afraid to go back to see his grandma. Suddenly, he heard the storyteller telling the story of Li Kui. Li Kuisheng was a murderer for sex, and his story inspired Chen Pi, who embarked on a bloodthirsty path.