Coat the outside of the hat with the desired amount of the stiffener provided. The more stiffener you use the crisper it will be, and the less stiffener the looser the hold will be

Adjust Hat Shaper to the size that your hat requires. Tightly fit your wrinkled hat onto your Hat Shaper. Set the fan to the level you prefer and choose the amount of time you want it to dry for

Take it off of Hat Shaper and you now have yourself a brand new looking hat!