My companion played a joke by placing a spoon on the table in the cafeteria while we're sitting down eating. He wanted to see if I could hit the underside of the table hard enough with my hand that it would make the spoon jump up. The end result didn't look that much different than what you just saw in that video... took about 15 seconds before I realized what was going on, of course the giggling from a couple of the guys in our district helped clue me in