This video will walk you through working your scallop trim and front edges of your Rumours vest. This video focusses on the inner edges, there is a separate video for the outer edges. This video is for view B - the lace up vest, but many of the techniques also apply to View A.
Rumours Vest pattern available here:
https://ironlamb.co.uk/products/rumours-vest-crochet-pattern-downloadable-pdf