Tatting is a technique for handcrafting a particularly durable lace constructed by a series of knots and loops. The lace is formed by a pattern of rings and chains formed from a series of lark's head knots, called double stitches, over a core thread. Gaps can be left between the stitches to form picots, which are used for practical construction as well as decorative effect. Read more at Wikipedia.
This is one of three short videos on how to do tatting stitches.
Be sure to watch the other two videos.
here is a kit which contains a complete step-by-step needle tatting book, three needles size #7 fine, #5-0 and #3-0 and a needle threader. The technique used applies to any tatting system: