How many times in our pages have we written about details making all the difference in a décor? A leather trim here, a grosgrain border there? Well, the mother of all tapes, tassels, fringes, braids, and more, Samuel & Sons Passementerie, has opened on the sixth floor of the Mart. It’s to-the-trade-only, but it’s an institution, so if you have a designer and you love to sweat the small stuff, this a place to see.