At the very least, refrain from doing it on national television.

And... Plinko!

You probably don't need to be instructed not to jog backwards on a treadmill, particularly if you're also speaking into a microphone and reading copy in front of a studio audience. That's the kind of thing that's generally considered instinctive.

But just in case, the above example helpfully provided by Price Is Right announcer George Gray should serve as an adequate refresher.

Sources: poo stick | h/t Uproxx