Since the running man challenge went viral it seems like every other month another challenge goes viral as well. Recently with the assistance of the Rae Sremmurd, the Mannequin challenge went viral. Now, another challenge has come about; the #BookbagChallenge. In this challenge, a line is formed, and somone runs through the line while they are hit by Backpacks, most of them filled with books. Check out the video after the jump.