Using these ChiaoGoo Knit RED Circular Needles is a breeze. Just thread your yarn onto the needle and start knitting as you normally would. The smooth surface helps the yarn slide easily, so your knitting process will be more efficient. When using, make sure to handle the needles gently to avoid bending or damaging the tips. To clean, you can simply wipe them with a soft, dry cloth. Store them in a dry place away from moisture to prevent rusting. With proper care, these needles will serve you well for many knitting projects.