Bring out the big guns, the proton pack guns I mean. Add that one last finishing touch to your Jillian Holtzmann costume with this fun 'Screw U' costume accessory. It is officially licensed from the Ghostbusters: Answer the Call. It is a molded plastic piece that is made to look like metal. It has a clasp to close it and a plastic circle with a 'U' and a screw through it. This fun 'Screw U' necklace is just what you need to join the ranks of the Ghostbusters as Holtzmann.