How to Fold a Suit Pocket Handkerchief - The Single Point Fold

1. Start with a square

2. Turn the square diagonal and fold in half

3. Take the left bottom corner..

4. ...and fold over to opposite corner

5. Then rotate the handkerchief round so it is pyramid shape

6. Take the bottom left corner and fold 2/3rds over to the other side 

7. Take the opposite corner and fold it back over the other way...

8. ...wrapping the corner around the base

9. The end result. Adjust height of triangle to personal preference