"These reworked Louis Vuitton pendants from LA-based brand Iamkoko remind me of the Tiffany & Co. chains that used to be a popular Bat Mitzvah gift back when I was 13. Now, the chunky chain necklace is back with a vengeance, and I'd be happy to play the layering game with this Iamkoko LV Lock Necklace ($125)." — SW