All modifications has proven to be successful. So it is about time to show them in detail and explain how and why the mask was modified.
(*) Please note that this prototype mask is done by vacuum casting. The steel mold of the improved new mask is in preparation and will be ready for mass production during this month as scheduled.
In the video we describe all changes and show you the final design of the mask. So you will have a perfect understanding of what was possible to achieve due to this Kickstarter campaign.