The Sullivan Supply Roto Brush Fluffer features two styles of bristles in its aluminum body. The first is 3/4” soft flex bristles made for ultimate separation and lift to thick coats. The second is 1/4” fiber bristles to provide superb undercoat separation. Combining these two bristles provide hair and wool tremendous volume and works on all types of coats to provide an even fluff without making the hair wavy. The Roto Fluffer is best used for clipping, fitting, displaying and show day preparation.