I'll tell you how sharp it is. I was holding it the other night by the handle, blade down, just carrying it into my room. I decided to toss it up a bit & catch the scabbard, like I usually do. The Koiguchi (saya/ scabbard mouth) is supposed to have a nice, snug fit against the brass Habaki (blade collar). Well, at this certain moment, it didn't. So
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