I was skeptical. But this thing (Yondr) actually works. 
Discussion
That's pretty cool
Yeah I've been to a couple shows that do this. It works fine
Very cool, I saw jack white uses these
I could also see this being for use cases like academic exam test taking, renaissance faires, movie theatres, wedding venues, etc.
Pretty cool when thinking of ways to bring back “life without technology” for certain events that require more of being in the moment.
Madonna is always doing it for her concert! Loved it.
Some schools in Australia are using these so kids can’t use their phones in class. The kids force them open with a pen jammed in near the locking pin.
lol let me get my flipper zero
Need these at Bitcoin conferences.
So nobody need excuse not to use Bitcoin as payment?
Little known fact!!
Easily defeated by 2 phones. Who doesn't have an old phone laying around?