Sbastien Montaz-Rosset and his crew are self-professed pioneers of highlining, a combination of rock climbing, slacklining and tightrope walking. Unlike a tightrope in high tension, the highline has more slack and is easily susceptible to wind, along with any small shift in weight. Falls happen often and those involved prefer to use a fall leash which links the climber back to the main line. Some daredevils, however, defy this safety measure by stepping out with only a small parachute pack as protection.
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