As Edith Bunker would say....
Ooooohhhhhh, ooooh, OOOOOOOOOOOhhhhhhhhh! Oh Archie.
Call it a blonde moment for me. I sincerely thought you were talking about the chess pieces.
Yes we scan a blonde, redheads too! They can move somewhat because we attach a sensor to them to keep their position relative to the transmitter!
Problem is, my wife gets mad at me!