In sky volter, two rubber ropes, located at both sides, are attached to the jumpers body harness, the ropes are then pulled taut and the jumper can perform desired tricks in the air. Even a beginner can successfully perform voltes. The height of a jump can be up to 8 metres. Similar equipment is used for training astronauts, preparing them for a zero gravity. The Sky volter jumping system is also used to practice various sports, such as gymnastics, aqua jumps, freestyle skiing, etc.