Vocalizations include an affiliative (friendly) call "krik", and a louder call resembling a crow's caw. Hargrove retaliated by severing ties with the NDP at the annual CAW convention. During breeding, adults sometimes give a "caw" or sighing or hissing calls. Caw of Prydain who rides Arthur's mare Llamrei cleaves Yskithyrwyn's head with a hatchet. The NDP campaign strategy put them at odds with Canadian Auto Workers (CAW). Gurney shoots down Caw, but is apparently dispatched by Baltazar off-screen. The reasons for the CAW split from the UAW are complicated. These decertification votes averaged around 95% in favour of switching to the CAW. In response, the CAW organized a blockade of the GM of Canada headquarters in Oshawa. He was the son of Caw of Strathclyde. He eats gold, and is the son of the deceased Caw. A significant minority of other CAW members also identify as Thelemites. The CAW (now known as Unifor) has attempted several times to organize TMMC. All outside workers are represented by the CAW Local 3007. The 2006 federal election saw the governing Liberals lose power, despite CAW support.