Originally Posted by
pocoellie
I've read and heard that spraying vinegar on the crease would help. I don't personally know if it's true. I guess you could try it on a couple and see though.
I've mixed white vinegar and water in a spray bottle and put that on difficult places to iron. In the past, that has allowed me to iron out the center fold of fabric, but the last two pieces I tried did not work. It's like they are permanently part of the fabric.