Many men ask themselves how a pocket square should be properly folded.
The answer to that is that there is not a correct way, but many possible folds that can be done in order to better complete your look. The fabric is also a factor in the folding.
As the silk can be more adequate for a more casual e loose fold, linen is more adequate for a more flat and square fold.
Let us remind ourselves that the pocket square should be worn as a piece that was set there by chance, and not as some overly positioned accessory.