The ability to access someone's secret information without tipping them off is a mentalist's dream. Doing it cleanly, right under their noses, feels like a superpower - and here you will find 3 tools to do that, the power is now in your hands.
PS. I personally recommend learning at least 2 different center tears so that if you do it twice at the same event or before the same people, it does not look rehearsed.