to fit around a round brush. to get the rest of the hair out of the way, pin it up. with the brush on top of one section, pull hair straight out from the roots, and blow dry the area close to the scalp. repeat with the middle and end areas of that section, remembering to pull hair out. use this process to dry the entire head. for extra volume in the very top sections, pull hair straight up while drying. once the entire head is done, set the dryer to the coolest setting, and gently blow all the hair without using a brush. 