That's the best way to go, even if you're damn sure, get it verified so it's not your a** on the line. I have an uncle who works with a really busy rock crusher operation and he's constantly challenging the engineers with what he knows works, and almost every time they can back him up or make a...
Well how tamper proof do you need them to be?
Will they be sitting in a location where people can vandalize them/tamper for long periods of time or is it a more public location where a person wouldn't get more than a few minutes of private time to tamper?
Those southco locks that MadMango...