When Justine Tiu and Adrian Zhang launched their crochet-kit business, The Woobles, in 2020, their product resonated with a newly homebound population that wanted to craft, and wanted it to be easy.

Crochet is a wildly fun craft: Projects can be fast, you can make a wide array of home items and accessories, and you can get really creative. But one of the most exciting parts about crocheting is ...