This is the Yantra which inspired from Myanmar, It's called SaDaBaWa Rune signifies the "imperfect" becoming "perfect".

Yantra cloth are believed to be magic and bestow mystical powers, protection, or good luck. There are three main effects of a yantra holder. One is that which benefits the holder, such as making them more eloquent. Another is that of protection and to ward off evil and hardship. This is commonly used by military personnel, police, taxi drivers, gangsters and others in perceived dangerous professions. Another type is that which affects people around the holder, such as invoking fear.