Originally Posted by DJ

The only advantage I see to that ruler is if you don't want to take the quilting foot off. I don't think it would be easier than using a 1/4" foot, I think it would be a bit more difficult. But having to put the quilting foot off and on is a hassle. I'd just get all my blocks quilted and then do the QAYG to piece them together with the 1/4" foot.