Using this Cascade 220 Superwash Wave Yarn is a breeze. You can use it with your regular knitting or crocheting tools to create various items like scarves, baby blankets, or hats. When it comes to washing, since it's machine - washable, just toss it in the washing machine on a gentle cycle with cold water and mild detergent. After that, you can put it in the dryer on a low - heat setting. However, be careful not to use hot water or high - heat settings as it might damage the yarn. Also, avoid using harsh chemicals. If you notice any loose ends while using it, simply tie them off to prevent unraveling. Enjoy creating beautiful things with this wonderful yarn!