Brush Buttons work well on compound and traditional bows. Brush Buttons are made of a soft, strong material that dampens noise on compound bows and traditional bows. They prevent limbs and twigs from getting caught between the limbs and strings on recurve bows.Brush Buttons can quickly and easily be slid onto the loop end of a bowstring and add a touch of color to a traditional or compound bow.Brush Buttons are sold in packs of two, weigh 25-grain.