biases the shutter members 220 a 220 b in a normal or closed position in which the straight edge portions 235 a 235 b of the shutter members 220 a 220 b contact each other in this position the body 230 a 230 b of each shutter member 220 a 220 b at least partially blocks the forward aperture 115 as such a viewer positioned on the inside of the door cannot see through the cover 10 similarly a viewer positioned on the outside of the door cannot see light variations through the door viewer and cannot view the area proximate the interior door surface should an inside viewer desire to look through the door viewer the inside viewer engages the lever 250 to rotate the upper circle of the second shutter member 220 b i e the base 252 toward the upper circle of i e truncated portion 245 the first shutter member 220 a e g in a clockwise direction from the perspective of fig3 b rotation of the second shutter member 220 b causes the base 252 of the lever 250 to frictionally engage the truncated portion 245 of the first shutter member 220 a consequently the clockwise rotation of the second shutter member 220 b rotates the first shutter member 220 a in counterclockwise direction as a result the.