This scarf is almost like a cool cowl in the sense that it wraps around the neck and stays put. It’s got a loop on one end for the other end to go through so it’ll stay in place and give you warmth you’re looking for.
The written pattern comes with a video tutorial to help you out if you’re still learning how to crochet.
As for materials, the pattern recommends a worsted weight yarn and an I crochet hook.
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