The Mentalist borrows a wedding ring from a person out of the audience, then he hangs the ring in the bow of the combination lock.
After that, the combination lock is closed.
The mentalistadmits, thathe unfortunatelyforgotthecombination!Some spectators may check the lock, but even they cannotopen it.
Nowthe mentalisttries to open the lockwiththe power of his mind. To do so, the performerasksthe owner of the wedding ring in which year he got married. Would´t it be amazing, if the lock opens with this date combination?