Hadley: "This is their true sign and refers to a former practice of clipping the hair above the right ear to show off ear ornaments . The motion has been mistaken for a circle, but it was not originally." (p.103) Seton: "..because they used to cut their hair on that side to show the ear ornaments or ear painted red ." (p.108) James Mooney seems to be the greatest expert on the etymology of this sign: "To make the sign for " Kiowa " in the sign language of the plains tribes , the right hand is held close to the right cheek, with back down, fingers touching and slightly curved, and the hand moved in a rotary motion from the wrist. According to the Kiowa this sign had its origin in an old custom of their warriors, who formerly cut the hair from the right side of the head, on a line with the base of the ear, in order better to display the ear pendants, while allowing it to grow to full length on the left side, so as to be braided and wrapped with ot...