What Thai traditional craft involves decorating black lacquerware with gold leaf designs?

• A Khruang khao
• B Lai rot nam ✓
• C Lai kham
• D Khrueang thom

Lai rot nam (gold on black lacquer) is a refined Thai decorative technique where gold leaf is applied to black lacquer through a stencil, then washed to reveal intricate patterns on furniture and temple doors.