A brush includes a middle piece having a left connector and a right connector, and a left piece including a left middle portion having a proximate end, a hinge end, and a connector coupled to the proximate end and configured to be removably coupled to the left connector of the middle piece. The left piece also includes and a left end portion having a distal end and a hinge end pivotably coupled to the hinge end of the left middle portion. The brush also includes a right piece including a right middle portion having a proximate end, a hinge end, and a connector coupled to the proximate end and configured to be removably coupled to the right connector of the middle piece. The right piece also includes a right end portion having a distal end and a hinge end pivotably coupled to the hinge end of the right middle portion.