Change in Focalization

“It’s because he stays out there, right under the window, hammering and sawing on
that goddamn box. Where she’s got to see him. Where every breath she draws is
full of his knocking and sawing where she can see him saying See. See what a
good one I am making for you. ”

The first instance of a shift in focal points, from Darl to Jewel, gives the feeling that these characters are being interviewed.