You can trim the excess yarns (if any) for giving a final touch to your yarn bracelet. These are some simple tips on how to make friendship bracelets. Once you become familiar with making the braids out of the yarn strands, you can increase the number of yarns. You can make yarn bracelets by using seven yarn strands, instead of three to denote the number of letters for friend. So, the next time, when you plan for the friendship gifts, include a simple yarn bracelet to add more meaning.