Few things in theatre are more transformative than a wig. But who makes them? Can they really be worth thousands? And what looks best on a beheaded tyrant? We meet the hairpiece heroes and their yeti-like creations It's a sunny afternoon in Stratford upon Avon and I'm watching actors become witches. In Georgia McGuinness's design for Macbeth, the witches seem to be mostly hair. Amber Sylvia Edwards and Dylan Read p…
