Grips the string well and aids in projecting the sound of your Violin. Reduces bow noise. Minor formation of dust. Good in cool, dry climates and during winter. Eminently suitable for and enhancing the tonal qualities of: Vision Standard line (Vision medium, Vision stark, Vision Solo), Vision Titanium line (Vision Titanium Solo, Vision Titanium Orchestra) strings.Add this month's FREE copy of NEXT Magazine to your order.