Sometimes the fabric is made so poorly there is no way to fix the straight of grain because it was never straight. Don't find that so much anymore but 20 years ago it was common. So after trying all the tricks, if it still isn't working it could be this.
Originally Posted by
carol45
It seems to me that tearing either WOF or LOF should always be straight, but sometimes, because the fabric has stretched, it seems not to be. I think that's what happened in this case, and my additional stretching made it OK.