In the art world, Salvador Dalí was famous for it. Albert Einstein and Thomas Edison were also ardent devotees. Closer to home, Australian playwright Hannie Rayson has a similar way of getting through her creative blocks.
It may appear to be a tightly kept secret, but it requires no special training or expert knowledge. Rather, it’s a technique that can be undertaken by anyone in need of a creative boost who has a few minutes up their sleeve and a hard, flat surface within reach.