Nightmare Fuel: This is What Nail Biting Brings
A seven-year old girl was pretty scuzzy, plus she loved to chew her nails down to the cuticles. When you combine bad hygiene, nail biting and the itchy red eye, you get the mother of all horrors: The Pinworm Colony! Sleep tight!
https://www.youtube.com/watch?v=pnQdRgZxnv8
