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Many books about painting will tell you to paint a small strip along the baseboards, doorways, trim and other edges of the room with a brush before breaking out the paint roller to paint the rest of the wall. But before you do this paintbrush work, called “cutting in,” consider paint expert Shauna Gallagher’s method: Roll paint on the wall and then use a paintbrush for the edge work. To learn more about this technique, watch as she paints the feature wall of a room.