Then go put one on, and go lick the toilet bowl at the truck stop bathroom.
While I am sure you have an alternate truck-stop-bathroom fantasy ready to go, this one doesn't work because it isn't physically possible to lick anything other than the inside of the mask while wearing something EN 143 certified.
Which you would know if you had any idea what you are talking about. But thank you for providing an example of why it isn't a good idea to take advice from ignorant people.
