...while the rest of his gang pick pockets and steal children's food.
More precise, to encircle with a belt or band. Like putting on a sword belt.
I think T-C has it right for the modern era. I think the warriors who wore togas would pull the swingy-part of the toga through their legs and tuck it into their belt so the “boys” wouldn’t cause undue discomfort in battle.
In the 21st century, men’s loins are girded as long as they’re wearing underwear.
Although briefs are probably better than boxers in such a circumstance.
...while the rest of his gang pick pockets and steal children's food.