I was walking through a public cemetary that had a section full of freemasons' symbols, so I looked it up online and was served the freemasons' subreddit. It's got some good stuff.
https://www.reddit.com/r/freemasonry/comments/1qlsuef/supporting_ice_and_maga_is_unmasonic_conduct_and/
Like this guy celebrating getting initiated: 
I never realized that Freemason outfits were so
Dweebish
Seems to be the classic "petit borgies larping as working class with silly costumes". I think the aprons are based on stone and metal working attire.