Tattoos are an ancient form of body art and self-expression. In many cultures, the art of tattooing is part of a long-standing tradition, and in Japan, traditional tattoo flash is a popular and well-known art form. Dating back to the Edo period, traditional Japanese tattoos, or Irezumi, have become a symbol of Japan's cultural heritage. This article will provide an overview of what traditional Japanese tattoos are and how they are applied.