Our hands are the most used part of our body. No matter whether we are standing or sitting we can use our hands with equal dexterity. They are as important to us as our brain and carry more identifying marks than any other part of our body and apart from the fingerprints which identify us as individuals; all hands have scarring, creasing and other usage marks which make them stand out. But if you had to, could you identify your hands if they were placed in front of you?