The Pirastro KorfkerSpring Chinrest is a high-quality adjustable chin rest designed for violins 3/4 to 4/4 size and all sizes of Viola. Made by the renowned brand Pirastro in Germany, this chinrest provides stability and comfort for violinists and violists during performances. Its innovative design allows for easy adjustment to suit the individual's preferences, making it a versatile accessory for musicians looking to enhance their playing experience.