So this is how to make horror special effects. They use this in the Exorcist.
A cool tutorial video in the horror genre, teaching about horror special effects in the movies. From the author: Want to learn how to cut someone's throat like in "From Hell"? Wish you could projectile vomit like in the Exorcist? Learn the makeup and prop secrets of special effects film makers in this episode!
Learn how to simulate projectile vomiting and throat slashing in this film riot tutorial.