This is the place where our all nervous system connects, you will not want a place like that to be played with like that. Your spine is where all the nerves connect in the end and if some place like this is at risk it is just not right. We already told you it hurts where you have little muscle or fat and here you do not have either of these. When you see all these things and think of how painful it is to be tattooed here, you will have a good idea of what we mean. Your backbone is a mere bone covering you have to protect the vital spinal cord. Spinal cord and brain are what make up your Central Nervous System.