2. There are two types of brushes available from the Steve Kafka line: long liners (right) and scrollers. The long liner is built to pull those traditional straight lines and symmetrical designs that are all over this issue. The Signature Series scrollers are made to do loopy lines and are perfect for laying down flames. Fun fact: Natural hair-type brushes (usually made from blue squirrel hair) hold a tremendous amount of paint because they have microscopic scales along the shaft of the hair.