By far the best I have fond is next to the Grumpy Old Men bar in Changlan Road right opposite the Shangri La entrance. Think it goes by Chiang Mai Erotic Massage. Solos or duos. Nuru on offer. Shown line up, One evening there were 12 girl in line up and majority were possible. All three visits memorable. Many SE Asians - prob Korean - there around 7.00pm. Choise invariable good.