IF YOU COULD CLAMP IT TO A LEVEL SURFACE AND SOAK THE DOOR EDGE WITH WATER, LEAVE IT FOR A FEW DAYS (APPLY WATER EACH DAY). THIS MIGHT TAKE OUT SOME OF THE TWIST, BUT PROBABLY WILL NEVER BE THE SAME. COULD YOU POSSIBLY MAKE ALTERATIONS TO THE FRAME TO SUIT THE DOOR. THIS COULD ASTETICALLY...