Very cool way to get a waistline in a sweater. I also like the yarn, it looks like a quick knit and not too hot for summer. It's not an instant pattern, but seems easy enough to recreate
Необычный и простой шарф-снуд крючком за часа [ "Find and save knitting and crochet schemas, simple recipes, and other ideas collected with love.", "Unusual and simple scarf-LIC hook for hours // Лариса Криворотова", "Посты from otkroysunduk.