Originally Posted by Scissor Queen
When you put your selvedges together do you make sure the fold is straight? If it doesn't hang in a straight U you don't have it folded straight. Make sure your second fold is also straight. Then you have to make sure your ruler is at 90 degrees to the fold.
That would have been my question. I usually hold the fabric selvage-to-selvage and see if it is skewed. Then I shift one selvage until the piece hangs even. I do not have problems with bowed strips when I use that method.