The secret behind a famous magician's signature performance has been revealed after a man from Kent launched a lawsuit against him. David Copperfield had to explain the trick after Gavin Cox, from Broadstairs, claimed he has suffered lasting injuries after agreeing to take part in one of his Las Vegas shows.Martin Collins, a magician from Kent, joined us in the studio to talk a bit more about it, and whilst he was in, he showed us some tricks.
