Basic line Natural bristle brush Advantages • Best quality selection of red sable natural bristles. • A high degree of elasticity enables either large or small amounts of porcelain to be lifted. • Large water reservoir with even moisture dispensing. Expert tip Before using the brush for the first time, remove the brush gel made from gum arabic, thoroughly. Break the solid, dry gel with your fingers and stroke the hair of the brush several times in quick movements over your hand. Then swirl the brush in a glass of water and clean on the wall of the water glass using rotating movements. Before each build-up, wet the brush hair thoroughly.