A little angry, a little ugly, a little aged, a little prehistoric and a touch of evil. Our Demon Brow works for many characters. Whether your character is a wise old man, a stupid caveman or just an angry demon this brow will say it all. StageFrights are a unique type of mask that have been used by the Hollywood makeup FX industry to turn actors into realistic creatures. This type of professional grade foam latex appliance is now available to the public. StageFrights foam latex prosthetics are great for a unique Halloween costume, realistic stage effects, live action roll playing, independent film costuming or just for playing around. How foam latex prosthetic appliances work: Foam latex prosthetic masks are made of a soft spongy latex material that closely imitates the look and feel of skin. The piece is adhered or glued directly to the skin. It is then blended in and colored with makeup. The piece will move with your movements bringing your character to life.