various methods of joining hairpin lace crochet - some a sort of cable using no extra yarn, others basic crochet stitches; this is hairpin heaven! scores of detailed charts, pics on hairpin techniques ideas.
An untraditional stranding method in order to disrupt the pattern on wrong side of the fabric as little as possible. Laura's Loop: Arctic Wrap - The Purl Bee - Knitting Crochet Sewing Embroidery Crafts Patterns and Ideas!
cabled vest/cowl - *Inspiration* this one is knit but you could easily crochet this so pull out your favorite scarf pattern and get to crocheting. You may need to adjust the width of the scarf. Once your scarf is long enough, wrap it around yourse.