Done that Marconi, honestly can't see a difference must be me cus I dont discount your theory all I see is 3 wires shaking, we must be looking at different pictures. Could you link the frame cus I'm avin an epi trying to understand, sorry Mate.I looked at Rachel Barbaresi's clip in #1 - with a bit of close observation one can see the conductors stationary and then vibrating. Click on enlarge bottom right before play.