In the early 16th century. traditional tattooing is widespread in the Philippines. but very little is known or written about the practice. Sources for the study of traditional tattoos in Northern Luzon are very inadequate and merely make vague statements on the function and symbolic meaning of tattoos. https://www.roneverhart.com/Ryukyu-Kobujutsu-Buki-Jutsu-Vol-2-DVD-with-Kiyoshi-Yogi/