Buff as face mask

 Anyone who has been relying on a Buff as facemask when out cycling should take heed of the linked report - A buff is worse than useless as it breaks down large droplets into a greater number of more mobile smaller droplets.

https://www.iflscience.com/health-and-medicine/these-are-the-best-and-worst-face-masks-to-help-prevent-the-spread-of-covid-19/?fbclid=IwAR3PJ6oII2w4bbpRuh8kboHH2xpVE1LpTD-fyCqR755maILQ5-2jfTWvF9U