Re: And, I agree with Ron... But that silly attack line was a cheap shot and is not "The truth"... Meanwhile, this is why we do other things, as well....
"Wig-wag" comes from a Scandiavian word for rocking back and forth in a cradle. Intriguingly, wig wags predate the PE by about 25 years:
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The wig-wag feature was that the hand and arm holding the flag swung back and forth at the elbow. No information about any RRs which might have installed it.