This model is very simple to use, you only need:

• tape
• scissors.

The only thing you need to is to attach the holder under the desk, and you can do it in two ways. Here's:

1. Doing a circle with the tape under the holder

    2. Attaching it with some stripes of tape

How big does the notes need to be?

The notes must be 4 cm x 4 cm.