The tattoo artist needs to be armed with a gun/machine/iron that can translate his concept to the skin and I think that these various machines look and probably work wickedly!
A bit of Steampunk/Death Metal aesthetics by Bernhards Garage Irons. I absolutely love these designs!
Tattoo Gun design by Don Morley
Palm OS Robotic Tattoo Machine
Home-made Prison Tattoo Gun.
And for all those Toy Tattoo Artists, here's something you should probably start on first!
[VIA]