Natto is none of spicy, bitter, salty, or umami. It also doesn't have the pleasant sharpness of pickled herring or vodka. It is glue, in both texture and taste,

Natto is none of spicy, bitter, salty, or umami. It also doesn't have the pleasant sharpness of pickled herring or vodka. It is glue, in both texture and taste, but also in function. Based on how firmly it glued my mouth shut, I'm certain it could find more industrial uses. Truly more bizarre than you make it.