To use these patterns, simply download the PDF file after purchase. You can print it out or view it on your device. Make sure to have the right knitting or crocheting tools and appropriate yarn. When working on your project, follow the step - by - step instructions carefully. If you make a mistake, don't worry, you can always frog (undo) your work. After finishing your beanie or hat, you can hand - wash it in lukewarm water with mild detergent and lay it flat to dry. Store your finished items in a cool, dry place to keep them in good condition.