I typed this in the search function and found nothing. I've read Holt's thread and this is what it said:
With no explanation as to how well this worked.Holt wrote: -removed the steel wire.
-soaked the hat and rebashed it.
-took of the standard ribbon and bow and replaced it with darker and more accurate one.
-made a new accurate bow.
-tightend the ribbon up. (you can see that from the side shots under the pinch)
-put in a reverse taper like we see on screen.
-new plain white liner.
-trimmed the brim.
-gave it a turn.
-threw it on the floor.rolled it up to a ball to have her break in after the soak and bash.
-added a little dust around the ribbon.