A meteor hammer is a traditional Chinese weapon that consists of a steel ball attached to a long cord. It is also sometimes known as a thunder ball. The weapon is used in a spinning motion, and can be used for both striking and entangling opponents.
The martial art that makes use of the meteor hammer is called sanda, which is also known as Chinese kickboxing. Sanda uses a variety of techniques from various other martial arts, such as boxing, wrestling, and kung fu. The meteor hammer is just one of the many weapons that are utilized in this discipline.