Using these ChiaoGoo Knit RED Circular Needles is a breeze. First, choose the right size and length for your project. Then, start by threading your yarn through the cable and onto the needle tip. Begin knitting as you normally would, and enjoy how smoothly the yarn slides across the red nylon - coated cable. When it comes to maintenance, after each use, gently wipe the needles with a soft, dry cloth to keep them clean. Avoid using harsh chemicals or abrasive materials as they can damage the nylon coating. Store the needles in a dry place to prevent rusting. Also, be careful not to bend the needles too forcefully, as they are durable but can still be damaged with excessive pressure. With proper use and care, these needles will serve you well for many knitting projects.