Provided herein are flame resistant fabrics having a thermoplastic fiber content of as much as 65%. A panel has a top side, a bottom side, a first lateral edge, a second lateral edge, a front edge and a rear edge. The at least one clip depends from the body, and is for replaceably holding the at least one fish hook, respectively. In other embodiments, a data mask instruction can be conveyed through a transmitted data word itself without using any extra pins. The headband may have parietal and temporal features with the temporal feature contacting a user’s temporal bone and the parietal feature having a curvilinear extension from the temporal feature that contacts a predetermined portion of a user’s parietal bone. The system includes a primary inductor, a secondary inductor, and a filter.