Aglet

No, it's because of Question. I also know their true purpose is sinister.

i learned it from the simpsons

Learned it from useless facts sites.

Actually, it's because it's all over the internet, and then re-cemented into my brain via Terraria.

It's a flugelheimer!

I looked it up once when I was reading a lot about shoes.

If you don't know what it is it's Dr. Heinz Doofenshmirtz fault

Try Dave the Barbarian, zoomer.

Nah mate, it’s because of terraria

Someone today said to me "Will you be the Phineas to my Ferb?" And I have never been more disgusted and intrigued.