It’s a comment on when Rosalyn would show up to cabinet meetings with a briefcase containing information on the topics, etc. She was extremely well informed.
I, too, worked a Habitat for Humanity jobsite with Jimmy and Rosalyn. They worked hard while at the same time being extremely gracious somehow managing to balance the attention people were seeking with doing their jobs at the worksite. BTW, Jimmy knows how to swing a hammer.
There is a popular documentary called “Free Solo” about rock climbing. The climber being documented is Alex Honnold and Caulfield is dressed like Alex. Caulfield climbing on the bookshelf shows that he is in character – climbing.
Folded towels aren’t rigid either and can be compacted as well.