During the Second World War, as Luang Por Guay returned to reside at Wat Kae and began to make Sak Yant on the Looksit of the temple. It has been documented from interviews with the older generation of Looksit of Wat Kae, some of whom were older than Luang Por himself, with ages of up to 90 years old, that Luang Por began tattooing Sak Yant at the age of around 35 years old up to the age of around 50 years old……