Last fall, on a sunny September afternoon, 239 women packed the Parkers­burg Art Center in Parkersburg, W. Va., to watch an artist whittle away at tiny bits of jewelers’ wax until something recognizable emerged: a bead. But it wasn’t just any bead or any artist: It was renowned Danish jewelry designer Mette Saabye creating some of her signature sterling silver floral styles at the Designing Woman Trollbead Designer Event, the centerpiece of a four-day trunk show held in conjunction with Parkersburg’s Buttermore Jewelers.The show kicked off on a Sunday with $15,345 in sales; another $25,000 was rung up over the next three days, a boon that Buttermore had experienced only once before. “In February 2009, we had an event called Super Troll Sunday,” recalls store owner Cathy Buttermore. “We sold $70,000 as part of that three-day trunk show.” (Not even the 36 inches of snow dete