rollers
there was a topic a little while ago on the subject, it might be worth getting in touch with Adrian Pery to see how he has got on – use the PM button
http://wayfarer.org.uk/forum/viewtopic.php?t=306
On the rudder blade, protective bands are allowed – see class rules;
http://wayfarer.org.uk/index.php?option=com_content&task=view&id=63&Itemid=107
Milanes list them on their website – not sure if the prices are fitted, perhaps they will supply them as parts?
http://milanesfoils.co.uk/modules/AMS/article.php?storyid=104
bob