@happyhexer @AbraarKaran I know they exist, I even have a couple that I ordered for myself (though ended up using KF94). I'm just saying I've never seen anyone use one "out in the wild". Not even once.
@happyhever@AbraarKaran我知道它们的存在，我甚至为自己订购了一对（尽管最终使用了KF94）。我只是说我从没见过有人在野外用过。一次也没有。