I ride motorcycles as my primary form of transportation and also happen to doodle a lot. I carry a sketch pad, pens and pencils with me pretty much wherever I go in my backpack. One of my fears is that some day I might be in a crash and puncture my lung or other vital organs with a sharp pen or pencil floating around in my bag!
So I needed a pencil case. Over-did it a bit, but so what? It was fun.
Has lil holes at the bottom of the tubes so that a mechanical pencil's nib doesn't get broken or bent. Chamfered inside the tubes to aim the pointy bit into that hole.