It caused a bit of confusion and panic. Defenders can't get tight on the player they are picking up. Like it.
Whipped in at pace not floaters, was a positive seeing those. Hourihanes dead ball stuff was poor yesterday, but once again he was seen to be working on the defensive side of his game.
According To MB post match it was suggested by Mark Crossley, who learnt it from Brian Clough - whatever, it worked well