Free Crochet Patterns and Crochet Projects. Our 20 Favorite Crochet Sites. Free Crochet Jewelry Patterns. Freshwater Pearl Wire Crochet Necklace Pattern Freshwater Pearl Wire Crochet Necklace -- Photo © Amy Solovay There's an art to crocheting with wire. Even if you're really good at wire crochet, each stitch could potentially turn out to be a little different from the next. That's one reason freshwater pearls work so well with the technique; each freshwater pearl is its own unique treasure, and, like your stitches themselves, no two are precisely alike.