Re: [ROUND 2]
[He sits down the way you did, makes the same gesture of putting things down, the same tying motion above it, and then stands up and "shoulders" his invisible burden, walking in place.]
[He comes to a place where he stops suddenly. He puts his hands in front of him, out flat, like something that can't be seen is blocking the way. He makes a show of pushing at it, then giving up. Then pushing at it, then giving up. Then he pushes even harder, and this time his hands pass the "barrier." He walks by it.]