Pop QuizKneeland Co. is:A. A medical supply company specializing in joint prosthesis. B. A collection of horse hair knee pads for the fashion-forward Rollerblader. C. A Silver Lake vintage textile, print, and jewelry studio.If you answered C, you get today’s gold star.Formerly exclusive to the trade, like loyal customer Anthropologie, Joanna Williams’s treasure trove of exotic wares is now open to regular folk.The appointment-only studio is chockful of one-of-a-kind global finds (bewitching enamel Egyptian necklaces, art nouveau charm bracelets).Search fabric stacks for everything from ikat patchwork Uzbek tapestries to 1960s Indian silk saris. Or have Williams embellish a pillow, bedspread, or wall hanging with her embroidery and beadwork.She’s got all the answers.Kneeland Co., 3421 Bellevue Avenue, between Micheltorena Street and Tularosa Drive, Silver Lake (323-632-8710 or kneelandco.com). Photo: Courtesy of Kneeland Co.