Learn how to make plastic costume chain mail for all your LARPing and Halloween needs. 1 Purchase enough 12" silver binding coil from the displayed suppliers for your project. 2 Using needle nose pliers, cut the rings as shown in the video. Make sure that there is plenty of overlap so the rings will stay closed. 3 Flatten the edge of the cut rings with your pliers. 4 Start to combine the rings together using the European 4 in 1 weave pattern. 5 Build squares of chain mail following this pattern. 6 Assembly the squares into garments.