So much useful info in here!

I think you might have solved an issue I have with mail shirts graycat. I got several shirts lying in my stockpile unused. I will double check that I do not have wear over clothing on. These guys are gonne be fulltime military. Might as well let them get used to the uniform

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I like the marksdwarf idea, and then give them melee after a while. I started giving everyone silver war hammers at first, as it was the only metal I had. Suffice it to say a goblin crossbow squad was very devestating to a mad bunch of dwarves running towards them in the default leather armor setup with next to no training and only war hammers. No one landed a blow, and the following tantrum spiral was harsh after 70 dwares was lost. But I do have lots of wood, and started to import iron and steel while I search for that ellusive deep metal this map was supposed to have. And my bowmakers even made an artifact wooden crossbow.
Since I was wasting dwarves at first in my futile attakcs early on against a few sieges, I made traps as my first line of defence (cages, and just recently started to make glass discs and silver spars for new traps), after that ambushes has not been a problem for anyone else then my hunter. And he has some nice bolts he harasses the ambushers with apparently. But I still got lots to learn on designein an entrance to my fort and making proper walls that can have dwarves standing on them and shooting down etc.
I did not know they selected amror that intelligently, I have up to now spesefied metal to use in armor as well as having exact matches on. Perhaps just saying "metal" amor is ok? And if exact matched are off will they use lesser metals if I spesiefy steel?
I am wondering tho, is 3 mail shirts all that different then 2?