REAR VIEWER allows you to see the back of your head while brushing

Why didn't I think of this? Purchased these to self-relax my hair without overprocessing the back due to inability to see and with some practice I think these will help. The construction is simplistic and the glasses a little uncomfortable, but, overall a pretty unique invention and should serve the purpose with some practice.

A waste of money...nose piece very uncomfortable and mirror is very small. Can hardly see anything!