Neck gaiters DO work, study finds
Daily Mail
In their experiments using manikins, masks and spray bottles, the Virginia Tech team found that gaiters blocked fine and larger particles from escaping about equally well as cloth masks.
https://www.dailymail.co.uk/health/article-8823821/Neck-gaiters-work-study-finds.html?ns_mchannel=rss&ns_campaign=1490&ito=1490