Special line that stretches effortlessly up to 3 times its original size. Available in 3 sizes: 4m, 8m and 12m.
 
It allows to always keep the buoy above the vertical of the diver.
 
In the event of a current, it reduces the voltage on the buoy and facilitates its transport.
 
It reduces the traction of the waves and the wind on the buoy and reduces the risk of losing it