Knife act

Magnificent act in which Roman, relying on their intuition and excess capacity, shows the highest skill.
On one of the 7 stands, covered with caps, the knife tip is up. After stirring supports one of the spectators, no one can really say exactly where is the knife. Roman eyes glued not transparent tape, puts on a mask. Then randomly he puts his hand on the hood one, then another …. And only the ability to influence events will leave a cap with a knife last without harm to his health.