МК Спицы "Пришивная" планка [ "This is in Russian but the photos are good. Attaching a knit placket", "Find and save knitting and crochet schemas, simple recipes, and other ideas collected with love.", " (Ideas from the Internet) / Crochet / Women
Ravelry: Hepworth pattern by Karolina Eckerdal. Great idea for buttonhole band.