Coaches and gymnast must always communicate what they plan to do before each training attempt. In this case, a very experienced coach and his elite athlete have agreed that the sting mats will on be slid on the bar if the release timers show signs of trouble. This coach pays close attention to each performance and is ready to slide the mats if the gymnast needs the extra support. Notice how the giant taps for Gaylord 2 and Cassinas.