Maps and posters are hard to put on the wall when they refuse to lay flat. By rerolling the item in the opposite direction of the curl, you can fix a curling problem. Lay your map or poster down on a clean surface, roll it up, and hold it
How to Flatten a Folded Map so You Can Frame It
6 Easy Ways to Fold a Poster - wikiHow
How to Design Posters: 13 Steps (with Pictures) - wikiHow
/images/3/35/Store-Posters-Step-21.
How to flatten a rolled art print or poster
WikiHow sample of a related web page.
3 Ways to Flatten a Rolled Map or Poster - wikiHow
3 Ways to Get Wrinkles out of Paper - wikiHow
How To Flatten A Poster
3 Ways to Flatten a Rolled Map or Poster - wikiHow
How To Flatten A Poster: Flattening, Repairing, & Long-Term Care