BTW: A bag of ice on the knees at night for several hours works wonders for me. Just protect the skin from frostbite.
Ice, definitely ice. Bring some quart size zip lock bags,which can be reused, evening after evening.
This site is run by Ivar at in Santiago de Compostela.
This site participates in the Amazon Affiliate program, designed to provide a means for Ivar to earn fees by linking to Amazon