At the end of lunch, the big bag of potato chips was nearly emptied. When I got up to clear the table, I took the empty bag, lifted it a little above my head, angled its opening towards my mouth, then tilted the bag so the remaining crumbled chips at the bottom rushed into my mouth. It's a satisfying final crunch that I enjoy.I have a memory of seeing someone do this back when I was in high school. We were in a small store and a classmate was finishing up some chips from a smaller snack-sized bag. Without warning...