Concealment and Cover The best way to avoid detection is by utilizing concealment and cover. There are six factors which will give you protection from subject observation. Change you shape to match that of your surroundings. Shadow - Stay in the shadows and don't allow your own to be seen. When it comes to your position, only you and your shadow should know.
Smooth surfaces are areas that reflect light.
Color - Blend in with your surroundings. Bright colors attract unwanted attention. Position or Setting - When choosing your position, make it appear as though nothing is out of the ordinary. Movement - Motion naturally attracts the eye. Even a little movement at an inopportune time will warrant attention.