Here's a challenge for our army chick Destiny: get out of four pairs of handcuffs (keyholes facing away from hands). A nice mix of handcuffs too: speedcuffs, hinged cuffs, and chain cuffs. Usually this challenge is too hard. So we add a pair of thumbcuffs and leg irons to give Destiny a sense of purpose. We know she can get the thumbcuffs and leg irons off easily, but then comes the hard part...