For on-line banking most people are using a TAN generator for security reasons (I know I do). I don't know why I didn't post this design earlier as I made it over a year ago.

You might want to change the width of the hook part to match your
furniture. You can download the SCAD file and change the value of the "hook_Thickness" variable.
I have this hooked over the left side of my computer desk.
The just print it out and use it.