You know what's scarier than a demon frowning? A demon smiling, of course. Put the fear of the dark lord into all those who gaze upon your stygian visage with the Grinning Devil Mask. Halloween is supposed to be a scary holiday and that's why this horn-goateed monster is the right kind of mask for the right kind of holiday.
The Grinning Devil Mask is the right demon for the right holiday. There isn't much more frightening out there than the forces of darkness and being scary is what a good Halloween mask is supposed to do.