Today, there's an endless stock of special effects [1] that can be created using makeup. One of the most classic techniques is perhaps the creepiest to wear this Halloween [2]: the face zipper.

Whether your zipper reveals exposed, gory "insides" or a more creative interpretation of the human body, this movie makeup look is undeniably one of the coolest Halloween costumes [3], and all you need to get it at home is a fashion closure from your local craft store. To prove our point, we've scoured Instagram for the most realistic zipper effects — sure to inspire you (and gross out all your friends).