"Tatting is a technique for handcrafting a particularly durable lace from a series of knots and loops. Tatting can be used to make lace edging as well as doilies, collars, accessories such as earrings and necklaces, and other decorative pieces."
-Wikipedia
Video by Bryce Adams
Image from Wikipedia Public Domain Image Resources
Lace making and tatting are often confused. To clarify, tatting is a technique of knotting and looping used to make a type of textile called lace. Tatting is the technique, lace is the textile.