Fun fact: PVC doesn't show up on x-rays. So when this thing turns into shrapnel and embeds itself in your abdomen; doctors get to just hunt around and hope they find all the pieces.

Another name could be "rapid potato transport device"

The picture is split in half?

This is my temporary potato holder. There are many like it, but this one is mine. My temporary potato holder is my best friend. It is my life. I must master it as I must master my life. Without me, my temporary potato holder is useless. Without my temporary potato holder, I am useless. I must fire my temporary potato holder true. I must shoot straighter than my enemy who is trying to kill me. I must shoot him before he shoots me. I will ...
My temporary potato holder and I know that what counts in war is not the potatoes we launch, the noise of our burst, nor the smoke we make. We know that it is the hits that count. We will hit ...
My temporary potato holder is human, even as I [am human], because it is my life. Thus, I will learn it as a brother. I will learn its weaknesses, its strength, its parts, its accessories, its sights and its barrel. I will keep my temporary potato holder clean and ready, even as I am clean and ready. We will become part of each other. We will ...
Before God, I swear this creed. My temporary potato holder and I are the defenders of my yard. We are the masters of our enemy. We are the saviors of my life.
So be it, until victory is America's and there is no enemy, but peace!

ABS (black) fails by ripping open. PVC (white) fails like a grenade.

If you're in the market for a "potato holder" don't get the white one.

In Washington state potatoes cannons were legal as long as you classified them a "line throwing device". I.e. something to throw a rope from ship to ship if you like lose an engine or something. So when you go to the lake to play bring a rope and a nail to stick the rope in the potato if the cops come and ask questions.

That reminds me I wanted to build a firecracker shotgun. Still haven't figured out a sleek way to ignite them though.

A Spudgun https://www.youtube.com/watch?v=nCzJnIbj6Wc

Good ol spud gun. Made one back in the day. My buddy went overboard and had one manufactured out of steel and used ether as a propellant. Was pretty wild compared to the pvc version.

the broom stick is for checking if it's loaded, call it a cleaning rod

That's just for starters, Pros use a temporary Christmas tree holder

https://youtu.be/J-qk40N9pxI

To be fair it will be about as gental as it's terminal volocity. Which is hard but like not that bad.