The basics “Default UP” Retractable Fangs are always hiding in your upper lip until you reveal them by biting down. You’ll catch humans off guard by quickly deploying your fangs from their hiding spot! The benefits Easy to use, comfortable to wear, talk naturally, activate or hide them when you want. From the most trusted brand, #1 in the world since 1993. The uses Fully Functional Retractable Fangs that activate either up or down for the most startling fang effect ever available for Halloween, Cosplay, film or live performance! The bottom line Retractable Fangs are a huge leap forward in vampire fang artistry & mechanical effects.