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I haven't seen guys wearing bracelets (but all sorts of strings and the like are cool), and I don't really like chains either; it's better to have some kind of talisman or something else (I have a small Muslim book (with prayers, I think) in a leather case), and as for rings... when adult men wear them, it's okay, but when some kids (i.e., people our age) wear them, it looks stupid and funny =\ some jerks decided to show off. IMHO.
Added 3 minutes later
I saw cookies in a store called "Mu-muika" :D.
And I also saw a young woman with a child... a beautiful mom :D.