skating instructor irina sorokina assures that each device has its pros and cons.lable on non-specialized tracks, because it is not controlled in any way. tubing is the fastest on spontaneous slides, as a rule, there are no fences, because there is not a clean field without obstacles, trees, a road or a pond around. here we can observe. that the park administration has taken some safety measures, fenced off this descent with safety nets, a person going down the mountain will not accidentally crash into a tree, will not roll out onto the ice, the speed on the ice is low, but you can control them and brake with your feet. on ice even more, closer to the ground, by shifting the center of gravity you can slightly correct the trajectory of your movement, but if there are uneven spots on the hill. springboards on ice skates can cause injury to the spine due to any jump; in this case, tubing is safer. it's safest to go on a sled. the sled is controlled either by one rope or by another rope, or by a shift in the center of gravity. plus , the one who is in the sled, directl