Strap your feet to a pair of spring-loaded stilts, find yourself a big open space, and you, too, can do a superhero imitation. The activity is called "bocking," a corruption of the last name of German ...

The Bradford based B Bounce Extreme, a stilt display team, are the only group of its kind. They use the latest spring-loaded stilts to perform death-defying aerobatic stunts and have been asked to ...