The problem with quitting a compulsive habit isn’t that it’s impossible for people to stop it in the moment — few would be have any problem refraining from biting their nails if someone noticed them doing it. Rather, the issue is that these compulsive habits become reflexive, so people don’t even realize they’re doing them.
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: