My Edinburgh fringe odyssey: ‘The nudity is expressive, shocking – sometimes harrowing’

There are 3,649 shows at the fringe this year, but how many embody its spirit of radical experimentation? I took a journey through foam, lube and gore to find out ... Somewhere in Edinburgh, a man is drinking his own urine . Elsewhere, the story of a religious sect that commands its followers to use “butt plugs” plays out as a musical. In yet another room, a comedian sings the same song over and…