One such device is made by San Francisco-based Yondr. The Yondr pouch was created to lock cell phones inside so they can't ...

That’s why in 2014 he founded Yondr, which makes pouches into which phones can be locked away for a certain amount of time—such as during a concert or theater show—allowing their owners to ...

A company called Yondr that sells lockable cellphone pouches is rapidly cornering the market in K-12 schools, as educators crack down on texting and social media use during class. Why it matters ...