What is crossed arms in folk dance?

In folk dance, crossed arms is a movement where one arm is held across the body with the opposite hand grasping it. It can be done unilaterally, with one arm and hand, or bilaterally, with both arms and hands. It can be used to create patterns, accentuate movements, or enhance the dancer's expression. Crossed arms are a common element in folk dances from various regions of the world.