Crease marks from shipping packs in toploaders?

Has any one ever had someone send sealed packs in the mail in a toploader with the top excess folded into the toploader? I have had this done twice on two separate occasions and it leaves an unsightly crease across the top. Any way to flatten it back out nicely? I was thinking like a blow dryer.

Dunno if there’s a way to flatten it back out, but I collected the WotC era boosters arts recently and was able to find larger sized (5.3" x 3.7") toploaders to preserve them like this: