Ventilation system for drum-stick, has cavity with openings projecting towards outer surface to create circulation of air by bottom-up movement during performance of music piece

摘要

The system has a cavity (2) provided with openings projecting towards an outer surface (1). The openings permit to create the circulation of air by bottom-up movement during performance of a music piece. The air enters the cavity situated in a gripping zone, and a spring through the openings. The openings have an inclination, and the cavity traverses from one end to another end of a drum-stick.