What is the traditional northern Thai men's tattoo, covering the thighs with intricate geometric and animal designs?

• A Sak yant
• B Hanuman sak
• C Lai sak ✓
• D Yantra tattoo

Lai sak is the Lanna tradition of extensive leg tattooing, covering from waist to knees with elaborate patterns believed to provide strength and protection, traditionally worn by northern Thai men.