A tool for the modern writer's workshop: the Wingnut Sharpener operates on the same simple principle as its industrial inspiration meaning that the pencil tip gets sharpened when you turn the Wingnut's screws.
Scissors symbolize man on a deeper level. They open to a cross, and are used to cut thread and fabric. DNA strands are cut by different enzymes. Basically, we are "editing" what we are all made of (not just man, but everything living).