A snag is a loop or stitch that has been pulled out of a knitted fabric. It’s often caused by catching the piece on a ring, zipper, tree branch, or any number of other protrusions. A whole stitch or just a few strands of fibre might be pulled, or one of the plies that makes up the yarn might be caught. Sometimes part of the strand is broken. If the whole strand is broken, this creates a hole. (Refer to my earlier mending tutorials, Stocking Darning, Scottish Darning, and Swiss Darning for advice on mending holes.)
The following case studies cover different types of snags and varying approaches to repairing and mending them. These strategies use similar tools and methods, and in most cases, can be used interchangeably.
These repair guidelines may be used on handknits and commercial knits alike.