To press a seam, open the seam up by separating the two pieces of fabric in the seam.

Take the iron and go directly down onto the seam.

Do not move the iron, simply let the iron sit on the seam for 10-30 seconds. Lift and repeat.

Allow the iron to do the work. Don't apply lots of pressure. If you have a stubborn wrinkle, apply steam from your iron, or mist the fabric with distilled water before pressing.