How To Fold A Handkerchief Or Pocket Square

 Step 1. Lay the pocket square out flat, with the underside of the fabric facing upwards.
Step 2.Take the bottom point and position directly on top of the top point creating a triangle shape.         
Step 3.Take the point on the bottom left of the triangle and fold in.
Step 4. Do the same on the other side.
Step 5. Place the folded pocket square into the jacket’s pocket with the folds facing inwards and just the point sticking out.