Blitzcrank's Hand is invisible

So earlier today I was playing as Taric support when I noticed that the enemy blitzcrank's hand was invisible whenever he used his q. I don't know if this only occurs on the "definitely not blitzcrank skin" or if it happens on others.

http://gifmaker.cc/PlayGIFAnimation.php?folder=2015021510tzVfn8NJlUVICaG1Re1cIE&file=output_Hn5WKn.gif (This link is a gif from the same game but from a different angle)