mommy long legs was chasing you(the player) since you cheated in a game and when you unlock the door she runs in and gets her hand stuck in a grinder so you turn it on and she starts screaming WHAT ARE YOU DOING...HE'LL MAKE ME PART OF HIM she's talking about the prototype YOU CAN'T DO THIS TO MEEE...she manages to pull her hand out of the grinder but looses the right arm and fell back and her leg is caught in the grinder and she starts getting pulled in