Bassoon bocal is like a singer's throat, it affects the timbre of bassoon. If bocal is not cleaned regularly, some filth will accumulate inside the bocal， it will hinder the vibration and pronunciation of the instrument. This bocal brush overcomes the shortcomings of bocal swab that do not easily pass through the moist bocal. The brush can effectively clean the filth inside the bocal, ensure good vibration and pronunciation. This bocal brush tested by several brands of bassoon bocals. Flush the bore of the bocal with clean water then insert the brush from the large end of the bocal and slowly remove it from the small end. Every product of Reed123 has been tested by the professional performers of the Symphony Orchestra