It is possible to live without an iron: 7 ways to iron things without an iron
3. Wet palms
Small pleats on the fabric can be smoothed out using just your hands. To do this, simply wet your hands with cool water and flatten the fabric. Under the influence of moisture, the pleats have to straighten. This method is more effective for thin fabrics (chiffon, cambric, silk, etc.).
Make sure your hands are clean.