Guy Hands Things To Complete Strangers Without Them Noticing
In this video, the experimenter is handing strangers random items and leaving before they notice they're holding something odd. He's able to get away with the little prank because the stranger's guard drops when he asks them a reasonable question in a polite voice with a smile on his face.
The same technique is frequently used by a team of pickpockets or purse snatchers. 'Situational Blindness' is an interesting experiment and psychological trick you can play on people that will leave them confused about their newest possessions.
Watch the video below as these guys masterfully execute the prank of having complete strangers take bottled water and fruit without asking questions: