Well, if you're using a hotbox dryer, it's not the hanging up while hot, but rather the fact that you just steamed and tumbled them. That gets wrinkles out of a

Well, if you're using a hotbox dryer, it's not the hanging up while hot, but rather the fact that you just steamed and tumbled them. That gets wrinkles out of anything. Hanging up just keeps new wrinkles from forming.