It turns out fixing a stray thread is surprisingly simple. All you need is a blunt needle and a little patience.
In a video published on YouTube, withwendy shows you how.
First of all, figure out where the fabric has been tightened by the snag and work on weaving the excess yarn back through the jumper to the furthest part impacted by the snag, using either your fingers or a blunt needle.
Once you’re done, pull the fabric in different directions to even it out.
Watch the tutorial below for step-by-step instructions.