This is a religious ceremony performed by many native american groups, and takes many different forms. it is most often performed by males and has specific movements and singing

Historians are concerned with the accuracy of their writings and readings but are also aware of the inability of authors to know every angle of every story biases, perspectives, beliefs, and a variety of other differences history being told by one person at a time no one being totally accurate, as hard as we try really need on this, and you^^