its art. thats how they like to express themselves and dont care what others think of them. I got mad respect for them. id do it to if i didnt have interests in racing and automotive scene. i just dont think id go as far as tattooing my face or those guages in the last one but. id probably enjoy a few spikes in my nuckels... it just wouldnt fit my look though. the first one on your second post is my favorite.