Pen-touch are really good pens that are classic shake and feed by pressing the tip against a surface until the ink flows forward. Unfortunately, they do not work for use in notebooks as they bleed through the substrate. Popular to use at Hand Lettering.
Are you looking for pens that are fun to use for decoration and will stick to different substrates? Then we also recommend that you take a look Posca pens. They can also be used in notebooks.