Yonex AS 20 Yonex AeroSensa 20 high-quality feather shuttlecock, designed with goose feathers and cork, offers stable flight characteristics and outstanding controllability, setting it apart from shuttlecocks of other brands. It provides an excellent balance between quality and price, making it a suitable choice for children and club players. This feather shuttlecock is not only recommended for training but also for tournament use due to its superior performance. Yonex AS 20