While this sounds super intriguing to a perpetual nail biter like myself, it could mean even more to someone suffering from trichotillomania, which is the obsessive-compulsive disorder in which people pull out their own hair (including brows and lashes, too). It affects about 4 percent of the population and can be embarrassing and problematic for those with the condition.
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: