How can Danny MacAskill ride with such massive nuts?

Danny MacAskills clip „The Ridge" was one of the biggest surprises of the year. With almost 26 million views the Scottish biker's ride along a ridge in his home, the Isle of Skye, is now one of the most popular bike clips ever. But what may look easy and playful in the video was the outcome of hard work, trial and errors and imagination. Four brand new 'making-of clips' show how much time, sweat and passion was put into the edit.

Four clips after the jump...