Try going into one during lunch and the line is out the door and around the corner. Being able to mobile order for my Double Double and run for my bus when it's -30 out is perfection.
I correct myself, after some research I think that a sponge would work to some degree but integrating charcoal into the base of the mask would make it much more effective
This solution was designed as a quick and easy solution if you were faced with an immediate threat, not everyone has charcoal laying around. it allows you to get what you need while avoiding the worst of a chemical attack
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