Using these KnitPro Mindful Collection Fixed Circular Needles is a breeze. Start by threading your yarn through the cable and onto the needle tip. You can use them for various knitting projects, whether it's delicate lace or regular knitting. When using the cable as a ruler, just align it with your work. As for maintenance, keep the needles in a dry place to prevent rust. Avoid bending the cables too forcefully to maintain their smoothness. If they get dirty, you can gently wipe them with a soft, dry cloth. Also, since the packaging is eco - friendly, consider reusing it for storing your knitting supplies. And remember, these are high - quality tools, so handle them with care to enjoy long - term use.