Both Pienaar and Arteta were brilliant at shielding the ball, tempting the defender to lunge in, then quickly stepping between them and the ball, drawing a clear foul.
It's so useful too.
If attacking you get a free kick high up the pitch (well, not much use now but still...
), particularly if you're under pressure when receiving the ball and might risk losing it.
Or if you're under the cosh defensively it buys everyone some breathing space and time to reorganise.