It was how guns worked for hundreds of years. Uncovering arms before that would have been something sharp or pointy.
Don't see to may people with poleaxes these days
Fixed that for you...
“The great unmentionable evil at the center of our culture is monotheism. From a barbaric Bronze Age text known as the Old Testament, three anti-human religions have evolved – Judaism, Christianity, and Islam. These are sky-god religions. They are, literally, patriarchal – God is the Omnipotent Father – hence the loathing of women for 2000 years in those countries afflicted by the sky-god and his earthly male delegates.”—Gore Vidal