Talk:Songs of Innocence/@comment-26229719-20150603213744/@comment-26516959-20150604025821

From this quick scene from the promo we can speculate that those buttons are a form of torture, and especially with Emily cowering her ears it means that if they don't obey they might get the loud blaring alarm, or something wrose. The first thing that comes to mind is The Milgram's Experiment, but with actual electric shocks instead of fake ones.