Welcome back to the Hallestam Crochet Atelier , where we continue building your crochet foundation with intention, clarity and elegance. After mastering how to crochet single crochet  in the previous lesson, you’re now ready to explore the techniques that give shape, dimension and structure to your work: crochet increases and decreases . These two techniques transform your crochet from flat fabric into beautifully sculpted forms — essential whether you’re making amigurumi, ba