When used as an accessory to a suit, a handkerchief is known as a pocket square. There are a wide variety of ways to fold a pocket square, ranging from the austere to the flamboyant:*The Presidential, perhaps the simplest, is folded at right angles to fit in the pocket. *The TV Fold looks similar but is folded diagonally with the point inside the pocket. *The One-point Fold is folded diagonally with the point showing. *The Two-point Fold is folded off-center so the two points don’t completely overlap. *The Three-point Fold is first folded into a triangle, then the corners are folded up and across to make three points. *The Four-point Fold is an off-center version of the Three-point Fold. *The Cagney is basically a backwards version of the Four-point Fold. *The Puff or the Cooper is simply shaped into a round puff. *The Reverse Puff is like the Puff, except with the puff inside and the points out, like petals. *The Astaire is a puff with a point on either side. *The Straight Shell is pleated and then folded over to give the appearance of nested shells. *The Diagonal Shell is pleated diagonally and then folded.