How to Turn On Pack-a-Punch in Shangri-La (Black Ops Zombies)

Pack-a-Punch is a vital resource in any Black Ops Zombies map, and it couldn't be more true for Shangri-La, which is perhaps one of the hardest maps to grace the mode. However, Pack-a-Punch in Shangri-La is locked behind a pressure plate puzzle, which you will need to complete with your allies every single time you want to use it (which is probably why this map is so controversial in the community). Here's exactly how you can open Pack-a-Punch.