Then, one day, I stumbled upon Loopy Mango. The Beacon, New York–based yarn shop’s website is like a candy store of delicious yarns in a rainbow of colors and patterns for every knitting level.

Loopy Mango is a knitwear and DIY brand founded in New York City in 2004. Its signature 100 percent Merino wool hand-knit Helsinki hat has brought in a knitting craze mostly focused on using “big loop ...

An increasingly popular activity among younger do-it-yourself enthusiasts, arm knitting uses the forearms in lieu of knitting needles to make loopy scarves and blankets.