For the Helix mechanism to work properly, the fingers of the hand holding the pen body must be inside the two lines (as in the video below). Holding Helix correctly may seem complicated, but it’s actually very simple! Keep testing until you find the position that feels most comfortable for you. When closing Helix for storage, be sure to tighten the cap tightly so it doesn’t unscrew automatically.

In the video below you can see some of the tricks that we appreciate the most, some will be simpler, others less so.
It will take some practice to learn them!
If you don't succeed right away, don't be discouraged and keep trying. Always make sure you hold Helix as explained in the first video.

Replacing the ink on the Helix is ​​a very simple process. Simply unscrew the handle, then unscrew the small screw that holds the cartridge in place and replace it with a new one.

Helix uses Fischer Space ink.