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...
“So the worldview shared by tyke, Walsh, and Rear becomes less and less relevant. What's interesting...is how each one of them is dealing with it. Walsh chooses to go down swinging, letting his natural belligerence have free rein and taking on all comers. Tyke...chooses to play the Merry Martyr to the point where you can practically see the cross...And Rear? Rear's just chosen to slide into triple-Gary-Busey-batsh!t-crazy territory.”