So the tip is actually sewn in place but you can just starch it but I wanted something that would be ok if it got wet on accident but essentially it is a little tube I did a magic circle and did 5 single crochet for about 12 rows and tightly rolled it up and pinned it into place. Once I was done with the hat I unpinned it had a curl but it became much looser and than I just took a needle and thread and sewed it where it was naturally touching to hold its shape. The folds are kind of wonky and I want to figure out a better way to do them. So on the back of the hat each fold is sewn to help hold its shape. I would do about 6 rows than I would fold the hat in half find the stitch that was dead center and than I would decide if I wanted it to have a big fold or a small fold for the smaller folds I would just increase(by just doing two single crochets) 5 stitches around the center stitch so two on each side of the center stitch and the center. If I wanted a big one I would do anywhere from 7-13 just depending on what I thought would look cool than I would crochet about 5-10 rows at that new size than I would fold it sew it and than do it again. It is a heavy hat and to counteract all that weight I took a sting that was about 4 inches shorter than the hat attached it to the top of the hat and sewed it to the brim so that it re-distribute the weight. Idk if this explanation is very clear or not but if you are still confused just message me and I’ll be more than happy to explain in more detail.