Wonderfully ergonomic professional paddle brush features extended wood pins for easy detangling and reduces stress to hair during stying. Ideal for scalp stimulation and circulation with antistatic properties perfect for smoothing hair to create sleek, straight styles The paddle brush is designed with one bristle missing in the bottom, middle half of the brush. This hole is to provide ventilation and to aid in drainage after the brush has been washed. Additionally it helps to prevent any bacterial growth that could occur with pooling water on the inside of the brush.