Joseph Ricciardelli, a member of the Atlanta Ghostbusters, remembers the first time a custom proton pack really made an impression. He and a few members of his crew, dressed in full-body flight suits, got onto an elevator. A 40-pound proton pack bulged from his friend Michael’s back, replete with electronics, gadgets, lights and a built-in subwoofer. Two families stood awkwardly inside, peering at the grown men in costumes. Ricciardelli had an idea to push things one step further.
“It suddenly occurs to me that we’ve never actually had a completely successful test of this equipment,” he said, quoting Dan Aykroyd’s character Dr. Raymond Stantz from the 1984 film and looking mischievously at Michael who picked up his cue immediately.





