Basically, after you've hit the fence, you should hold a right ESS position (push the analog stick slightly to the right).
If you're holding ESS position, Link should start rotating without changing his position (like walking), as shown in this video:
http://www.youtube.com/watch?v=CKugnEC6tvk@0:31:40
Thank you! That was it, wasn't holding z or the right stick. Feelin gdumb, just nailed it.