Pete "stole" the signature windmills from Keef as the Stones were just breaking big. I remember Pete saying he saw Richards do the windmill just as the curtain was opening or something. Keef was just loosening up or something... and it was a "one time" thing and not part of his playing, but Pete thought it was cool. Later on he made it his signature thing with Keef's approval....
And this thread was really over with the second post
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Others may then line up for 2nd place ..... lots are tied for second imo.