Ghostbusters was a motion picture juggernaut when I was younger and now it’s back, again, with the original crew, and villain, minus the late Harold Ramis (Egon). Over the years, a lot had been made of the proton packs the crew carries. A lot of people have tried making them, especially for comic cons. The problem is, no one seems to know how to handle the damn things. So, here’s a lesson.