own ways through it from point a to point b. this is 24-year-old nich from saevent mary in austria. he travels the world to places like california s yosemite national park. nich is one of only two people ever to conquer the point without a safety harness. a 99-foot walk on a one-inch thick nylon rope, a vertigo-inducing 6900 feet over yosemite valley. remember, this is without any safety gear. nich is considered one of the world s best high line slack liners both with and without a safety harness. the feeling is amazing because he controlss it. and if you lose focus, it s getting dangerous. slack lining has been around for decade. this video from 1938 in india