In reply to Mark Collins: face outwards jump up and grab the top, with your hands facing backwards, pull up in a crunch and fling your legs over the top. Exit with much mauling about. At least that's how I remember it from 30 years ago...
In reply to Mark Collins: He He i cleaned it off this summer its an awsome move as it says kind of dyno then turn and land on ure back side is the easiest way. or rock over but you get the grassy muddy slope in your face.