Using these addi Turbo circular needles is easy. Just thread your yarn through the needle and start knitting as you normally would. The smooth nickel coating will help the yarn move easily. When using, be aware of the non - standard sizing of some smaller needles as mentioned in the product description. To keep your needles in good condition, store them in a dry place away from sharp objects that could scratch the coating. Avoid bending the cords too forcefully as they are pliable but can break if mishandled. If the needles get dirty, you can gently wipe them with a soft cloth.