KTEP - El Paso, Texas

Adhiti Bandlamudi

In 2013, Las Cruces High School in New Mexico created a training video to teach students how to perform a "lockdown" drill.

In the video, the teacher turns off the lights, locks the door, and places a black strip of paper over the door's window. The students close the blinds and huddle on the floor, away from the windows and the door.

Angry Orchard, Strongbow, Woodchuck — these are some of the biggest national cider brands. (By the way, they're all owned by major beer companies.) But those big brands weren't what people came to drink at this fall's Rock the Core cider festival in Washington, D.C.