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Comment by jdk | Hacker News Reader

The photographer mentioned in the article has a few videos up that illustrate this much better than the text https://www.youtube.com/watch?v=ff7nltdBCHs (for the "squinch" one).

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The photographer stresses slightly raising one's lower eyelids (what he calls "squinching" -- a slight form of squinting), but if you notice, most of the examples he gives show people also slightly smiling more when they do this.

Today I learned that humans can control their lower eyelids. Now, I wonder how to learn to do that...

Some work in front of the mirror. It is relatively easy.

There are muscles that are much harder to control, especially independently.

It's a bit hard to describe but you gotta look at yourself in the mirror and just try it for a while. After a few moments your brain will figure it out. Took me around 15 minutes to get my lower eyelids to move, but now after some days of practicing I can even do it with a single eyelid only!

My wife can't wink, or even close one eye independently. My eye muscles barely work together at all, so this is difficult for me to imagine!

To me this looks like the difference between "real" and "fake" smile (smiling with the eyes - or predator grin vs friendly smile). I have a friend who's a theathre actress - she smiles a lot wider than these models, but the eyes behave similarly.

Interesting video, thanks for sharing.

This is the jawline video where he demonstrates how to bring your head forward and down: https://www.youtube.com/watch?v=Qe3oJnFtA_k

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