Works like it should!
Got this to secure my work-provided mask, and it works great!  It's easy to use, stopped my glasses from fogging, and kept the mask from shifting on my face.  It also didn't slip or slide on my hair, which is a miracle considering almost everything else does.<br />The only negative is that the top head piece is a little large, but I also have a small head.  I was able to make it fit by putting at a certain angle. You could probably also tie a knot in it to shorten.
Rating: 5 stars