MentalTech I Use: doppel Vibration Wristband for Energy, Focus & Calm

Lately, I have been using what is probably the most analog of digital health wearables I use. The doppel is a wrist-worn wearable that creates a silent vibration on the inside of your wrist, mimicking a heartbeat, they call it a “lub-dub”, and eliciting focused and calming effects in the body and mind. It does so with a watch case and internal flywheel which creates…