The 10th-wicket partnership appears to have become a clandestine weapon in test cricket in the past two years.
When teams are nine down, the unwanted but intoxicating cloud called complacency can float in.
Even the most ruthless teams can be guilty of assuming a white flag will rise up the opposition mast prematurely.
The minds of opening batsmen drift towards donning the pads, bowlers pine for the oasis of the physio table and those from the middle order might consider a game of cards, cup of tea, or ponder what the nutritionists have approved as athlete-friendly on the dining table.
That's when a cunning No11 can strike. Somehow they get their eyes in and start playing pace matter-of-factly as if to say to the top order, 'what's the big deal?'