-> Set two elements (4-5).

-> Use two pins (C)

-> Insert the two pins with the narrow side up.

-> Insert the finishing element as shown.

-> Insert the part shaped like a key to keep the Kryptos from falling apart.

-> Insert the Kryptos key into the opening.

-> Check that all letters are set as desired.

-> Now you can turn the wheels with the letters, the Kryptos is locked.