File:Stillsuit nostril plugs studies concept art for Dune (2021) by Keith Christensen.jpg

Summary
Concept art of stillsuit nostril plugs Dune (2021), by Keith Christensen. Design studies, various gradual design iterations.

Keith's commentary: "Stillsuit headgear exploration."

Source: Keith Christensen's ArtStation.com profile - "Stillsuit headgear exploration for Dune"