Wai Khru Ram Muay

Wai Khru Ram Muay is warm up activity in Thai Culture that is performed by participants in Muay thai competitions. Wai is an action of Thai to show respect to others by putting the hands together like prayer. Khru means teacher. Ram means dance in the old Thai traditional style. Muay means boxing. Usually Thai prefer to call it Ram Muay or Wai Khru for short.
Ram Muay is the way to show respect to the teachers and trainers. Also, in in the past Muay Thai was usually fought in front of the King, so Ram Muay was also to apologize the King for the brutality in fighting.

     The fighter performs the Wai Khru, circling the ring three times before kneeling and bowing three times as a sing of respect man. The fighter performs the Ram Muay, whose simple movements demonstrate a fighter's control style. Each fighter performs the Ram Muay on each side of the ring to demonstrate his prowess to the audience.

    The practitioner may wear a headband called a Mongkhon and armbands known as Pra Jiad during the ceremony, and the Ram Muay may be accompanied by music. The Mongkhon is Unique to boxing and not worn in Cambodia or Burma.

RESOURSE : en.wikipedia.org/wiki/Wai_khru