One slip can change your life or end it. Perhaps it is the adrenaline rush of being vulnerable that makes crossing swinging bridges and dangerous hikes a popular adventure. Dangerous holes and rotten wood floors are not to be underestimated. Hikes along such terrain are certainly not a walk in the park. Imagine looking at the horizon and seeing nothing but rusted cables for miles? All you can feel is the strong wind. You look down and the bottom is hidden by a thick fog. Is your heart beating faster already?