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My latest project: the Ban-Proof Respirator
https://medium.com/@samyoureyes/the-ban-proof-respirator-bpr-a27173d9355e
#covid #masking #maskbans #facemasks #masks #covid19
The Ban-Proof Respirator (BPR) - Sam Hall - Medium
[Update: I’m working on a 2nd version based on a CPAP nasal pillow setup that I think will be much better than the diving snorkel version, but will cost about twice as much. Stay tuned for progress…Sam Hall (Medium)