Spud guns are a lot of fun and there's a tendency to just redneck it up and slap one together. If you take that approach this is what you might get back:
It's ok to have fun but let's be safe out there.
I can explain it to you but I can't understand it for you.
"Any man who thinks he can be happy and prosperous by letting the Government take care of him; better take a closer look at the American Indian." - Henry Ford
Corruptissima re publica plurimae leges; When the Republic is at its most corrupt the laws are most numerous. - Publius Cornelius Tacitus