[seb1204]

I don't know your financial situation but a N95 mask can't cost you more than 10$? I can find 10 packs for less than 10$. You can even reuse your shopping mask since you primary point is privacy and not air borne pathogens.

[duskdozer]

You can still reuse N95s for airborne pathogens as long as they fit well, but I believe that user was referring to gait analysis being too expensive.