Insert the cords into the notches located at the top of the cord stop. Push together the cord stop pieces to lock the cords in place.
Slowly twist the blind's wand to the right to open the blinds. Open blinds are in a flat, horizontal position when they are fully opened.
Lift each blind slat from the inner and outer cord to untangle the blinds, and hold the bottom of the blinds to prevent the blinds from collapsing once released.
Pull the cords on the right side of the blinds to the left to unlock them. Hold the bottom of the blinds and slowly lower them all the way to the bottom of the window.
Grab the cords and slowly pull them straight down to lift the blinds back into place. Gently pull the cords to the right to lock the blinds in the current position.