I usually apologize for my horrible puns, but not this time. Because Arrested Development.
Where's Flava Flav when you need him?
Did I just make a pun about writing utensils and poop, based on a popular idiom? Yes. Yes I did. You're welcome.
I'm going to go out on a limb and say no one is going to answer this.
Because fiberglass is bad for the environment. ~Not-So-Handy Andy