Thanks to Chris Harvey, as reported in the last edition of Roadholder, newly manufactured rubber chain gaiters are available for the first time for many years. Chris's email was incorrectly printed and should be: firstname.lastname@example.org.
When fitting new gaiters Richard Negus always advised rivetting the chain rather than using spring links. Mine had a spring link on it and I must confess that I replaced it not having the tools to rivet the link. Of course now its back together I am not sure that I did the right thing!