TheTruthAboutGuns.Com published on February 2, 2021 an article describing the VariArc and documenting usage in a variety of professions and contexts: “The VariArc mount, first seen back in late 2019, has become increasingly ubiquitous in several career fields, and has increasingly shown up in candid social media posts.”  For the full article, see 360 Degree Light: the VariArc Helmet Mount for Helmet Lights.