Originally Posted by JustAbitCrazy

Oh, it's not a matter of the wrong ruler, it's just you have to be careful not to "cut" your ruler with the blade. This was a continual problem for me, and I have since trained myself to move the blade a sideways step (left--because I'm r handed) to butt up against the ruler, and not to approach the ruler with a forward rolling motion. hope I've explained that in a way which makes sense.