4
4.Wear the floating belt and adjust the tightness to properly fit the swimmers stomach.
5.Open the NSD Swimmer App
(Figure 4)
(Figure 5)
(Figure 3)
2. Tie one end of the cord to a stable fixed item near the edge of the pool as shown in figure 3.
3. Tie the other end of the cord on the floating belt at the center of the swimmers back.
21*29.7cm