Aneela Idnani Kumar says the genesis for Keen—a Fitbit-shaped device that aims to stop nervous habits like nail-biting and skin-picking—came when her husband, Sameer, confronted her about her disappearing eyebrows. For more than two decades, Aneela had been suffering from trichotillomania, a disorder more commonly known as hair pulling.
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: