A Halloween safety light glowstick having a symbolic long bone shape comprising a hollow shaft body that encases a glass ampule containing a chemiluminescent substance. A light is produced when the ampule ruptures in response to a bending of the plastic shaft body. Two locking arms that outline an articular joint member of a bone lockingly engage the glowstick to a costume. The articular joint member comprises a plug component that can be removed from the shaft body to provide access to the interior and to connect the shaft body to others, essentially extending a length of the lit body portion. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.