I have installed several headliners in the past. I think before I ordered SOR and was happy with it but this time tried Cool Cruisers headliner due to cost. It came in a large rolled package and looks fine. However it is completely flat with no sewn mitered corners for the rear. Seems it will be a big wrinkled mess when installed in the corners. Anyone have experience with this headliner? They make no mention of how to install corners in their install guide??