"Imagine carrying a roll of flexible product on the roof and unrolling it," he says. "Workers are already used to unrolling roofing material."

Find two long, sturdy branches and roll them into the material on each side like a long scroll, leaving about a foot of wood exposed at each end.

I roll in all memories, pressing in the heart bottom, to that vicissitudes of life my material life make the last one time to return to.