Discover and read the best of Twitter Threads about #bifold
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Since I posted this tweet, people made suggestions on how to improve fit. Since #bifold #masks are the most commonly available, I decided to try them again, in the context of considering them for my kids who now need to wear masks in school classrooms and communal spaces. 1/
2/ I bought some standard sized #FFP2 bi-fold masks from a major online retailer. 10 masks for £10 - good value. I have a narrow, small face, so quite good analogue for some kids. As soon as they arrived, I could see they would be large on me (photo pre-fitting). 
3/ I first flattened the nose clip, as people had commented that this sorted out the issue of the masks coming with the nose clip bent in half. This can lead to a 'pinched' clip which lets air in and out between the mask and the bridge of the nose.
Thanks for the interest in my #mask tweets. For new followers: Pre-covid, I led a large project on effectiveness of #masks for the public, in relation to 🌋 ash exposures. I have extensive experience communicating to the public about mask wearing. ivhhn.org/information #IVHHN
Adding to my pinned tweet with links to each of my mask threads. In the tweet above I link to the 🧵about re-use of disposable masks.
Here, I link to the 🧵about the features of #BetterMasks which enhance comfort and fit:
Here, I link to the 🧵about the features of #BetterMasks which enhance comfort and fit:
Here is the 🧵about how the public do not need to be fit-tested in order to wear #BetterMasks (N95/FFP2 etc.)
