<b>I checked my balance and peered apprehensively at the sheer drop below. Once I felt comfortable, I radioed down to Stu.</b><br><br><b>''I''m just gonna unclip quickly,'' I said.</b><br><br><b>My walkie-talkie crackled straight away. Stu sounded pretty stressed. ''Dude, keep the rope on!''</b><br><br><b>I edged forward, my hands and feet scoping out the summit for any loose rock. The ridge pinnacle was still only a meter wide, if that, but I felt pretty stable.</b><br><br><b>''This bit''s fine,'' I said. ''The rope makes it harder for me...''</b><br><br><b>Danny MacAskill</b> lives on the edge.<p>The cyclist is legendary for his YouTube viral videos like <b>The Ridge</b>, <b>Cascadia</b> and <b>Imaginate</b>: nerve-racking montages of stunts which scale everything from mountain peaks, rooftops, ghost towns and movie sets. His life is one of thrills, bloody spills and millions of online hits.</p><p>It hasn''t been an easy ride. Doubt, stress and the ''what if?'' factor circle every tr