To use the bases circle shape to make headdresses you only have to fold them to your liking to get the desired shape, once you have it sew or paste it to keep the shape you want, you can help yourself from a porexpan mannequin to shape your circle base to make headdresses.
There are bases of plate-type to make headdresses of many materials, both natural like buri, as well as artificial, such as polypropylene, and of various diameters to fit the size you want. The bases for headdresses like circle can be used to make purses or wedding bags: you only have to fold them in half and add a zipper and if you want chain. Decorate it with appliques, flowers or any material for headdresses that you like and you will have an ideal wedding bag.
The bases for headdresses like circle made of buri are flexible for you to make your headdress. The buri is a totally natural material that will make your headdress high quality.