An Israeli company called Avtipus Patents and Inventions has, well, invented and patented a facemask with a hinged mouth. It's designed for people who want to go to restaurants during the pandemic.
The idea is that you hold onto a clamp that actuates the hinge, leaving just one hand free for a utensil.
I…don't even know where to begin with this. Perhaps you should just look at it in action in this video, and draw your own conclusions:
I don't mean to crap on two social distancing dining designs in a row (see these pendant cones), but these are the things that came across my desk.