A warped barrel is a fool's frustration

With regard to a DIY Krummlauf, Pinky asks: "How illegal is this?"

Wrong question, dude.  You're in California.  The question is: "A wacky cartoon gun having been shown on TV, how long until there's a new law against it?"

And then... Vera needs oxygen around her?  Naw.  Results as expected.  But they left out a possibility: depending how the gun is lubricated, what various parts are made of, and how long it's left in vacuum, it might just seize up.