I have been compiling the responses into lists, trying to fit the often detailed answers onto a 100mm by 40mm sheet of metal is proving quite difficult! I have been making my own version of a braille slate, which I am planning to use to make sure that the words I put on the tags will be readable - however my slate can only fit a maximum of 16 characters per tag.
I want to make my own tags next. I am thinking about trying either letterpress or maybe silkscreen and cutting the paper up afterwards. I would like to have around 100 of these tags eventually, I think the more responses I can get the better!