torn skin tattoos with the impression

Torn skin impression, the impression the engine out, as damaged robots that have not been repaired, or Arnold in the film scaznager terminator whose hands torn by enemy attacks, can also be made tattoo like this picture, this picture is just an example for tattoo artists, to learn to make detailed 3D, 3d perfectly so that the impression they seem, you want to try to learn to make details like this? indeed the process is time consuming and tiring of course .. but nothing is impossible