TomCat I'll vouch for the boiling of Bass strings......been around for a long time....just don't try to microwave them.......Fzzzzzzzzz....BOOOOM>>>!!!!!! ??? ??? Meths does help to toughen your fingers.....tried it myself and it works.
Rudolf Add me to the list of Spirits tried and tested, it works. In fact it works brilliant, simply dip the tips and let it dry quick, repeat a bunch of times.