Or you could do what I saw a Pride cosplayer do once, and make a backdrop of sorts to carry around. He used a stand-up cardboard like for science fair projects, and painted eyes and teeth on it. You could paint the vectors on one of those if you have enough skillz.
Past Cosplay: Death of the Endless, Trinity, Austria, Orihara Izaya, Mey-Rin
Current Cosplay: Dodo Chaplet (Doctor Who)
Future Cosplay: TBA
For cosplay photos please visit Queens' Right deviantArt page