Ghostbusting is important work. Some would even say it is an art form. And what would any artist be without his tools? Peter Venkman, Raymond Stantz, Egon Spengler, and Winston Zeddemore couldn't do their busting without their gizmos to detect, apprehend, and trap these crazy spirits. (And by "crazy spirits" we mean the ghosts, not Venkman, Stantz, and Spengler.