I picked up a rock from a volcano in Guanajuato, México and brought it in another volcano in Oregon where I threw it in. I then picked up a rock from the volcano in Oregon and mailed it to my friend in Guanajuato with the instructions to throw it into the volcano where the first rock was picked up. This is how volcanoes shake hands.
This Is How Volcanoes Shake Hands
Digital video 1:26 mins