Battle

 Washington Post: How a Connecticut middle school won the battle against cellphones By Joanna Slater

Those who had cellphones in their hands slipped them into individual gray pouches made of synthetic rubber. They clicked the magnetic lock at the top of their pouches shut, then placed them into their backpacks or held them up to show teachers. The pouches would stay with them, locked, until dismissal at 2:45 p.m.