Medieval Crafts - Lucet
Lucet Cord Braiding Instructions | How to Use a Lucet Tool
Basic Tutorial: How to use a lucet to make a tight and sturdy, square cord; a beaded cord; or a two-color cord, on www.stringpage.com. Site also has sections on tablet/card weaving; loom weaving; sprang; braids; ply-split braids; knots; naalbinding; and other fiber art and Viking textile technologies.
My source for kumihimo and Lucet string, sold by another SCAdian