Using these ChiaoGoo Knit RED Circular Needles is a breeze. Just thread your yarn onto the needle and start knitting as you normally would. Since the yarn slides easily, you can work on your project faster. When choosing a needle, pick the size and length that fits your project best. For small, detailed work, go for a smaller size and shorter length. For larger projects like blankets, a bigger size and longer length will be more suitable. To keep your needles in good condition, avoid bending them too much. After use, wipe them with a soft cloth to remove any lint or debris. Store them in a dry place to prevent rusting. And remember, these needles are tough, but treat them gently to make them last a long time.