Allows you to alter the description, output string, or keys of an object.

Examples :

: *ot sword -k2 red
Key done.
    {sets the second key on the sword to red}

:*ot sword -d It's a red sword covered in blood.
Description done.
     {sets the description of the sword} 

:*ot sword -o It's pretty heavy.
Output String done.
     {sets the output string on the sword}