Trouble free deployment of spring lines when mooring and docking your sailboat is a most important part of your skills set toolbox as a professional and competent skipper. As in all things, practice makes perfect and as just about every docking situation throws up a different set of conditions; wind, tide, other craft in the vicinity, currents etc. it is good practice to learn this process thoroughly, so that embarrassing incidents don't happen when the whole world is watching! In my ebook 'Voyage of the Little Ship Tere Moana' I write about several incidents where unusual techniques were used.
The following is an extract from Tropicalboating.com and has some useful tips for trouble free mooring and docking: