Tuor [SEP] residence
in the caves of Androth in the Mountains of Mithrim, living a hard and wary life. When Tuor was sixteen their leader Annael resolved to forsake the land, but during the march his people were scattered and Tuor was captured by the Easterlings, who had been sent there by Morgoth and who cruelly oppressed the remnant of the House of Hador. After three years of thraldom under Lorgan the Easterling, Tuor escaped and returned to the caves.
For four years he lived as an outlaw, but never saw a way of
as the steel of the Dwarves, extremely malleable, and resistant to injury by metal weapons. Its only known use is in Eöl's armour, which he wore whenever he left his forest residence.
Eöl taught all his secrets to his son Maeglin, who later fled to Gondolin. So it is possible that the Elf-smiths of Gondolin also learned how to make "galvorn" armour. In the story 'Of Tuor and his coming to Gondolin' in "Unfinished Tales" Tuor sees the Guards of the City