just a small invention
The Spy Specs look like an ordinary pair of sunglasses. Yet they have a unique feature… you can see behind you! The lenses on these sunglass-style specs have a special reflective coating that allows you to look straight ahead, yet see behind you as if you had a rear view mirror. When you put them on, look out of the corners of your eyesyoull see whats going on -no one will ever know youre watching them. Have you ever thought you were being followed? You wont need to turn your head to see whats coming up behind you.
