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Comment by l33t233372 | Hacker News Reader

Hagoromo does feel pretty nice to write with. It’s thicker and it writes smoother than standard chalk. It also has some sort of coating on the sides so it doesn’t get everywhere. It doesn’t break easily when dropped.

It’s good but not hilariously better than decent chalk.

I find that because of the coating you have to pick a side that you’re going to write with, and this small amount of mental energy is a small roadblock. It also seems shorter than regular chalk, although this could just be that the pieces I use are used frequently!

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As a Hagoromo-using professor: its biggest advantage to me is that it erases much more cleanly, so that after a few passes over the board you can still read the new writing instead of it looking like writing over half-erased writing.

That’s a great point that I forgot to mention. I’d reckon a large reason for this and its other benefits is how soft the chalk is.

I think I watched a video on it a long time ago and seem to recall that professors immediately break the chalk in half before using it. I don’t remember why.

I regularly use Hagoromo chalk on a personal chalkboard and I always break new sticks in half before use. For me, it feels more comfortable to use smaller pieces than large ones. It allows me to hold the chalk with more fingers, and avoids the awkward position where you have to hold the chalk like a pencil with a few inches of chalk resting on your hand. However, some friends swear by full, long sticks, so it's very much a matter of what you're used to.

Personally, I always was afraid of breaking the long chalk while writing, which would have caused the far end to fall to the floor and break into many small pieces. So why not be safe and write with a shorter stick.

I don't know anything about japanese chalk but in general you should break chalk in half because that makes the chalk not scratch with a high pitched sound when used.

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