A man walks in to a doctor's office in deep pain. His problem - his left hand is clenched tight and is seemingly clamped in that position. Its not just a normal closed fist either, the fingers are curled up so tight that his fingernails have dug halfway into his palm, causing him unbearable, excruciating pain, pain that you or I could never normally experience. He's at his wits end because nobody he's seen so far has been able to alleviate this condition...his fist simply cannot be unclenched, even the slightest bit. The pain cannot be numbed. So why is it that painkillers or medication, or even surgery doesn't help? Because, bizzare as it sounds, he does not have a left arm! He only developed this condition after his entire left arm was amputated several months ago. Now wait a minute, this is nuts, you think? Pain in an arm that doesn't exist? A clear sensation of a closed fist biting into a non-existent palm? But no, the patient isn't crazy. These are, apparen