The first chapter of the pdf covers the basics of crochet, namely:
 chain
 tight stitches
 half-bridles
 flanges (single, double)
 magic circle
 First, make the chevron triangle, using the explanations and diagrams. There is a size correspondence table to make it in ABCD cup... (follow the proportionality for larger sizes).
 You will then see how to make the frills and the fasteners.