The chain weave also know as Byzantine Chain, an ancient chain pattern. A shape of each block looks like to bird nest especially if you add some beads around it. Chain maille technique is wonderful.. By using simple materials such as jump rings and beads, you can create all sorts of beautiful and creative designs! Though simple enough to do, most beginners might find it difficult to begin with. Hence this tutorial offers detailed step by step pictorial guides to students of all level in making this fun project!