http://www.neuropolis.org/teaser-star-puzzle/

Teaser / puzzle if u like it
a star?
Although in theory, I am always behind you, I am also here to remind You. But if this is your way to me too much to say, I defend, or worse yet, you are blind. WHO AND WHAT AM I? 1st correct answer receives 10 points
History?
LOCOMO – Metal Wire IQ Magic Puzzle Brain Teaser