Using these ChiaoGoo Knit RED Circular Needles is easy. First, choose the right size and length for your project. Thread your yarn onto the needle and start knitting as you normally would. The smooth nylon coating on the cable helps the yarn slide easily, making your knitting process more enjoyable. When it comes to maintenance, you can simply wipe the needles with a soft, dry cloth after use to keep them clean. Avoid using harsh chemicals as they may damage the nylon coating. Also, store the needles in a dry place to prevent rusting. If you're working on a large project, be gentle with the cable to avoid kinking. With proper care, these needles will serve you well for many knitting projects.