As tattoos have grown in popularity over the years, the designs and techniques have changed along with them. One of the earliest art forms was tattoo flash outlines, which was a popular way to create a tattoo in the early 1900s. Traditional tattoo flash outlines were typically done in black and grey ink and featured bold, precise lines and often came with a sense of classic Americana. In this article, we’ll take a look back at the history of traditional tattoo flash outlines and the techniques used to create them.