> (“real” Ashkenzim & Sephardim do begin from bar mitzvah, though,
> I think without covering the head).
If by “real Ashkenazim” you mean those keeping “???? ????? ??????” (otherwise known as “yekkes”), the boys start wearing a tallis as children (I guess when they start to go to shul; five or six years old).
> From what I’ve seen, young yekkes wear a TG with a hat, so that
> they don’t wear the TG over their heads.
Right. When they are old enough to wear a hat. Before that they wear the tallis without the hat, but without putting it over the head.