The "Wai-Kru" is a ritual performed before a fight which is a continued Thai tradition since ancient times. "Wai-Kru" is a way to pay respect to the King of Thailand, to the teachers who have given the fighter knowledge, and to those involved in organizing the competition/tournament. Wai Kru Mixed Martial Arts. Our 3300 square foot facility is equipped with a 24 foot octagon fighting cage, a 20 foot boxing ring, plenty of open mats, bags, weights, cardio machines, Pilates reformer, and much more. Gym members get unlimited access to the gym and all of its classes.