These sound interesting "BUZZIES" Alleviate Stress and Anxiety With Neuroscience Wearables. 

How Does It Work?

Buzzies are non-invasive neuroscientific wearable devices that are worn on both arms  or put in pockets, socks, or in tank top straps. Buzzies have shown to not only alleviate stress and anxiety, but also to improve focus, reduce cravings, improve performance, manage anger, reduce sensory overload, and enable better sleep.