1. The structural design of the passer: The structural design of the passer is the core of the patented technology of hockey passer, including the design of the passer's shape, size, weight and material.
2. The passer's passing mechanism: The passer's passing mechanism refers to the passing device inside the passer, including the passing wheel, the passing spring, the passing rod and other components.
3. The passer's control system: The passer's control system refers to the passer's electronic control system, including the passer's circuit board, sensors, motors and other components.
4. Additional functions of the passer: The additional functions of the passer include the design of the passer's adjustability, detachability and foldability.