In all honesty, nothing you could wear that would stop this is going to not make you look utterly daft. If you understand this, then the difference between a gag and a surgical mask isn't much.
I suggest just closing your mouth as you ride.
@Velocio started
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In all honesty, nothing you could wear that would stop this is going to not make you look utterly daft. If you understand this, then the difference between a gag and a surgical mask isn't much.
I suggest just closing your mouth as you ride.