Dunno but here's the story from News.com.au:
People are making coronavirus masks out of fruit, bras, water cooler bottles and even sanitary padsFRUIT
Resourceful Chinese citizens are fashioning coronavirus masks out of water bottles, fruit, sanitary pads and even bras as supplies dry up....
...Here are some of the best DIY efforts.
An elderly man sports and orange peel and string mask at Beijing airport.
Picture: WeiboSource:Supplied
This man has done an excellent job with a half a melon and a pair of shoelaces.
Picture: WeiboSource:Supplied
Children sport water cooler bottles over their heads at Beijing
Picture: Getty ImagesSource:Supplied
A man shops at a Chinese supermarket.
Picture: WeiboSource:Supplied
This family weren’t taking any chances, opting for the full body plastic bag coverings.
Picture: SuppliedSource:Supplied
....MORE
News Corp also has pics of people wearing bras but if we are going to go that route we might as well have Paul Krugman modeling a winner at the Ig Nobel Prizes:
Well, Another Year's Ig Nobel Prize Awards Are In The Can and the Winners Are...
"The Ig Nobel awards are arguably the highlight of the scientific calendar."
.... And speaking of Econ, here's Nobel Laureate Paul Krugman at 2009's ceremony wearing a bra as an emergency facemask:

Ig Nobel Prize Winner Dr. Elena Bodnar demonstrates her invention
assisted by Nobel laureates Wolfgang Ketterle (left), Orhan Pamuk, and
Paul Krugman (right). Photo credit: Alexey Eliseev, 2009 Ig Nobel Ceremony
And here he is as part of the largest group of Laureates to remove a sword from someone's throat:....