Paper can be damaged in many ways. One of the most annoying is the crescent-shaped “dents” that happen if a large sheet buckles as you pick it up. These dents never come out, and if more than one, can effectively spoil an entire sheet of paper. These dents are called “cat’s eyes.”
There is a simple way to avoid cat’s eyes. Grasp the sheet at the corners along a diagonal and lift it up. The sheet will curl smoothly and gently along the axis of the free corners.
Using this method, a surprisingly large number of sheets can be picked up and handled at once.