This hat will make you smile – Literally

The Happiness Hat from designer Lauren McCarthy is a wearable conditioning device that detects if you’re smiling and provides pain feedback if you’re not. Frowning creates intense pain but a full smile leaves you pain free.

An enclosed bend sensor attaches to the cheek and measures smile size, a servo motor moves a metal spike into the head inversely proportional to the degree of smile. Through repeated use of the Happiness Hat you can train your brain to smile all the time.

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