Button, Button, Who's Got The Button? By Alexander Marsh (PDF eBook Magic Download)

Button, Button, Who’s Got The Button? - Alexander Marsh

No electronics. No gimmicks. No velvet bags.
Finding the hidden object is a staple of many mentalists’ repertoires, with this method Alex has taken the classic ‘finding the hidden object’ plot made popular by Max Maven’s Kurotsuke and applied his trademark lo-fi thinking.

A button, or any object at all, is hidden among four participants. Despite a seemingly fair and random mixing procedure (that seems to make the Mentalists job even more difficult), the Mentalist is able to element each participant one-by-one until the Mentalist finds the object.