Originally Posted by Geri B

Yes, that is what I use too, but I can feel with my fingertips if those under stitches are good or not....actually only used that mirror when I first started....now the fingertips are my guide and they have never failed these many years...Of course fortunately I have had very few tension problems with my machine over time.....but I check my stitches before I begin a project, just to make sure, and do any adjustments, if needed, then.