Letra de Pencil Eraser Aftertaste

I've had an interesting experience There was an odd taste in my mouth My palate was some how stimulated And only at a certain location The taste of a pencil eraser Location seems to be the answer My theory is based on proximity Of where the tower is relatively If you draw a line From point A to point B The savoriness is defined At least it is to me This notion has been tested twice I know it really should be more But I can't help but take notice That the tallest feed mill might be involved If you stop to really think about it Why would I have such an aftertaste? There's nothing I eat that would cause it So, it's got to be that huge tower