Plus tutorials on how to tie Prusik hitch and selvagee
Yachting Monthly’s July 2012 issue features Tim Bartlett’s advice on how to free a riding turn, using a rolling hitch.
Here is a short video of Tim showing how to tie a rolling hitch.
Here is a sequence of photos showing how to tie a Prusik hitch and how to tie a selvagee, two other easy knots which you can use to free a riding turn.