You turn around to see the thing standing and opening its mouth. Its lips are tearing and it's making terrible sounds. You lean over and throw up. You hear the moan of the monster with the stitching and you spin around. It has recovered and is lumbering for you. You walk backward until you're backed up against a wall.
You look over and see the thing open its mouth and, in a scratchy, unused voice, it says, "Grab the knife."