Original video: Last American Vagabond:
https://youtu.be/YkDm_fwBQZ4
Studies:
Optical microscopic study of surface morphology and filtering efficiency of face masks
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6599448/
Considerations for Wearing Masks
https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/cloth-face-cover-guidance.html?CDC_AA_refVal=https%3A%2F%2Fwww.cdc.gov%2Fcoronavirus%2F2019-ncov%2Fprevent-getting-sick%2Fcloth-face-cover.html
Nonpharmaceutical Measures for Pandemic Influenza in Nonhealthcare Settings—Personal Protective and Environmental Measures
https://wwwnc.cdc.gov/eid/article/26/5/19-0994_article
A cluster randomised trial of cloth masks compared with medical masks in healthcare workers
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4420971/
https://www.instagram.com/p/CCD-RE2hHN7/?igshid=gc0u57ujekdw
https://twitter.com/ChrisK8o/status/1283852124049350657/photo/1
3:35
6:36
1:47