And for anyone who needs a little self-improvement, there’s Keen from HabitAware. The smart-bracelet uses gesture detection technology to gently nudge wearers into breaking bad habits, such as nail biting or hair twirling. The bracelet vibrates when it notices that your hands are in the wrong place and vibrates as a reminder.
You, she reminds, are who’s really in control. And that’s where Keen comes in. When the bracelet vibrates, it’s bringing the picking compulsion from the subconscious into the conscious — giving you the ability to then consciously say to yourself “my hands are not where I want them to be”.
It's important that Keen fits snugly. Here's a quick guide to help you decide which bracelet size to order: