>"Hang on kid, there's a tack in my head."
>There's no tack in his head
Animation error because it's early Simpsons?
Name three other animation errors in older seasons that were as blatant as you think this is.
>>83971599
If you look closely you can also see he's holding a drum and a hammer in the mirror behind him but not the actual image of him. I hope somebody was fired over that blunder.