Do you know that line about keeping their hair covered, and how Mary dressed the same way except in blue (the blue being a later Medieval invention)? Yeah, that.
Even here in America, up to the 1960s, men and women wore hats. Until JFK came along and put that out of style. You can actually see photos from that era, a crowd of men underneath a sea of a fedoras. Do you know why Christians used to always wear hats?
"And they shall not call cut the corners of their beards"
That too. Just ask your local Amish why they look so Hasidic.
Basically the Quran is a rewriting of the Torah, sans the glorious Hebrew legends of Kings slaughtering the foreign enemy of the day.