The bundle reached an apogee, hung there for a moment a few feet above the man’s bare head, and began to accelerate toward the ground. He let it drop freely for a moment, then got his gloved hands underneath it and began gently to slow its descent. The bundle came to a stop only a hand’s breadth above the ground, the man bent over like a grave-digger. A scream emerged from the bundle, which made the woman’s spine snap straight; but the scream turned out to be nothing more than the prelude to a long, drawn-out cackle of laughter. The woman relaxed and exhaled, then jerked to attention again as the man emitted a long whoop and heaved the bundle high into the air again.