Enlarge image (new window) Chiles's nails are seen as she warms up before day two of the U.S. WATCH | Jordan Chiles on the importance of camaraderie:Début du widget Widget. Fin du widget Widget. IN PHOTOS | Athletes who nail their sports with style (new window)But can you do gymnastics with long nails? To tell you the truth, they actually help me with my technique, she said, explaining that she has to push herself harder when wearing long nails.