I think someone was making something similar but was a two handed thing that attarched to magnetic hip clips.

seems like all the links for the paper are dead…

most security planning workshops start with this statement:

“it is unreasonable as well as impossible to try and protect against every threat out there. there is no magic app, website, service that will solve everything. security is a mindset, and taking the time to understand what you want to protect and why will serve you better than any application.”

Tuta also doesn’t easily support pgp and has no plans to integrate it. “we encrypy our stuff for you, trust us bro”