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The extraordinary hairstyle is the hair that amazes and attracts the most attention. In many cases, it has been the invention of an amateur. Professional stylists are always trying something new, but they usually keep it as a variation of what already exists. The truly new, and unique hairstyle does not have to be anything extreme with artificial attachments and abnormal attractiveness, nor should it simply be a re-invention of something old. The truly extraordinary hairstyles are natural outgrowths of the decade in which they were invented. For example, as women became more involved in industry, they required hairstyles that could easily be protected from machinery with the result that the long flowing tresses began to disappear once the woman was of working age. A good example of a new hairstyle were the short pigtails that predominated in industrial societies, giving the woman colors, safety, and youth all in one.